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7e47b519_ashcards_about_Bilaminar_Stage__Answer
[Question] what primordial structure becomes the umbilical cord? [Answer]
the connecting stalk
[]
Flashcards about Bilaminar Stage
Answer
http://www.studystack.com/flashcard-144870
37/1438042982013.25_20150728002302-00027-ip-10-236-191-2_715250623_3.json
7e47b519_ashcards_about_Bilaminar_Stage__Answer
[Question] placental circulation begins to develop where? [Answer]
at the embryonic pole
[]
Flashcards about Bilaminar Stage
Answer
http://www.studystack.com/flashcard-144870
37/1438042982013.25_20150728002302-00027-ip-10-236-191-2_715250623_3.json
7e47b519_ashcards_about_Bilaminar_Stage__Answer
[Question] syncytiotrophoblast erodes the endometrium endothelial lining of the maternal capillaries to produce what? [Answer]
sinusoids
[]
Flashcards about Bilaminar Stage
Answer
http://www.studystack.com/flashcard-144870
37/1438042982013.25_20150728002302-00027-ip-10-236-191-2_715250623_3.json
7e47b519_ashcards_about_Bilaminar_Stage__Answer
[Question] what process has glandular secretions causing endometrium surrounding the embryo to become edematous with glycogen and lipids? [Answer]
the decidua reaction
[]
Flashcards about Bilaminar Stage
Answer
http://www.studystack.com/flashcard-144870
37/1438042982013.25_20150728002302-00027-ip-10-236-191-2_715250623_3.json
7e47b519_ashcards_about_Bilaminar_Stage__Answer
[Question] what does the decidua region of the endometrium develop into? [Answer]
maternal component of the placenta
[]
Flashcards about Bilaminar Stage
Answer
http://www.studystack.com/flashcard-144870
37/1438042982013.25_20150728002302-00027-ip-10-236-191-2_715250623_3.json
7e47b519_ashcards_about_Bilaminar_Stage__Answer
[Question] what is the portion of the primary yolk sac that is pinched off from the embryo? [Answer]
the exocoelomic cyst
[]
Flashcards about Bilaminar Stage
Answer
http://www.studystack.com/flashcard-144870
37/1438042982013.25_20150728002302-00027-ip-10-236-191-2_715250623_3.json
7e47b519_ashcards_about_Bilaminar_Stage__Answer
[Question] increased blood flow to the lacunar spaces can produce bleeding when? [Answer]
28th day of menstrual cycle
[]
Flashcards about Bilaminar Stage
Answer
http://www.studystack.com/flashcard-144870
37/1438042982013.25_20150728002302-00027-ip-10-236-191-2_715250623_3.json
7e47b519_ashcards_about_Bilaminar_Stage__Answer
[Question] what term means to have multiple nuclei within an extended, continuous cytoplasm? [Answer]
synctytium
[]
Flashcards about Bilaminar Stage
Answer
http://www.studystack.com/flashcard-144870
37/1438042982013.25_20150728002302-00027-ip-10-236-191-2_715250623_3.json
7e47b519_ashcards_about_Bilaminar_Stage__Answer
[Question] A fluid filled cavity develops between the amnion and epiblast known as what? [Answer]
amniotic cavity
[]
Flashcards about Bilaminar Stage
Answer
http://www.studystack.com/flashcard-144870
37/1438042982013.25_20150728002302-00027-ip-10-236-191-2_715250623_3.json
7e47b519_ashcards_about_Bilaminar_Stage__Answer
[Question] during amniocentesis, what marker is being checked for? what might this indicate if found? [Answer]
alpha-fetoprotein; developmental defect
[]
Flashcards about Bilaminar Stage
Answer
http://www.studystack.com/flashcard-144870
37/1438042982013.25_20150728002302-00027-ip-10-236-191-2_715250623_3.json
7e47b519_ashcards_about_Bilaminar_Stage__Answer
[Question] where do extraembryonic lacunae develop? [Answer]
extraembryonic mesoderm
[]
Flashcards about Bilaminar Stage
Answer
http://www.studystack.com/flashcard-144870
37/1438042982013.25_20150728002302-00027-ip-10-236-191-2_715250623_3.json
7e47b519_ashcards_about_Bilaminar_Stage__Answer
[Question] after the primary yolk sac pinches off the exocoelomic cyst, what is it then called? [Answer]
secondary yolk sac
[]
Flashcards about Bilaminar Stage
Answer
http://www.studystack.com/flashcard-144870
37/1438042982013.25_20150728002302-00027-ip-10-236-191-2_715250623_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Alternative Splicing [Answer]
can generate different forms of mRNA from a single pre-mRNA
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Negative control of Alternative RNA splicing [Answer]
repressor blocks splicing machinery
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Positive control of Alternative RNA splicing [Answer]
splicing machinery inefficient unless activator is present
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Sex lethal (Sxl) transformer (tra) and doublesex (dsx) genes are [Answer]
part of a hierarchy of gene regulation for sex determination in drosophila
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Sxl gene acts as a [Answer]
switch and selects the pathway of sexual development by controlling splicing of the dsx transcript in a female specific or male specific fashion
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] spliceopathies [Answer]
mutations that affect regulation of splicing; can contribute to genetic disorders
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Myotonic dystrophy [Answer]
expansion of trinucleotide repeats in 3' UTR of DMPK gene. DMPK protein sequence unaffected; repeats cause toxic mRNAs
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] toxic mRNAS of myotonic dystrophy [Answer]
sequester proteins that are important for splicing of other mRNAS
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] at least ___ inappropriately spliced genes cause pathology [Answer]
20
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] control of mRNA stability [Answer]
a steady state mRNA level is determined by the combination of transcription rate and rate of degradation. this is regulated in response to cellular needs. 3'UTR sequences can regulate stability
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] translation can be regulated to produce [Answer]
the correct quantity of a protein
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] post-translational stability of a protein can be [Answer]
modulated
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] a protein can be modified after translation to change its [Answer]
structure or activity
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] RNA silencing controls gene expression through [Answer]
RNA interference(RNAi) or RNA-induced transcriptional repression
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] it is estimated that ____% of human genes are regulated in part by RNA silencing [Answer]
30
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Mechanisms of gene regulation by RNA-induced gene silencing [Answer]
1)dicer processes dsRNAs into siRNAs&miRNAs 2)binding to RISC or RITS; one strand is degraded 3)RNAi:RISC recognizes target mRNAs(degrades or inhibits their translation) 4)Txnsilencing:RITS recognizes genomic sequences in nucleus;recruits remodelingcmp
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] RNAi technology can [Answer]
create single gene defects without having to induce mutations, which allows for rapid analysis of gene function
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] animal models have shown successful RNAi treatment of [Answer]
viral infection, eye diseases, cancers, inflammatory bowel disease
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] different tumor types have different [Answer]
characteristic miRNA profiles
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] some cancers are defective in miRNA expression so ___ ____ may help [Answer]
synthetic miRNAs
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] overexpression of genes involved in cancer can be ____ by RNAi [Answer]
targeted
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] limitations of RNAi as therapy [Answer]
1)short sequences make it harder to achieve specificity and avoid off-target effects 2)wont be useful for diseases that involve LOF gene 3)delivery methods have to be worked out 4)there may be cells that are impossible to target
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Metacentric [Answer]
centromere is in the middle
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] submetacentric [Answer]
centromere between the middle and end
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] acrocentric [Answer]
centromere close to the end
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] telocentric [Answer]
centromere at the end
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Homologous chromosomes [Answer]
are similar and carry genes for the same inherited characteristics; they are not identical because they may carry different versions of the same gene
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] sex determining chromosomes are usually not [Answer]
homologous but may behave as homologs in meiosis
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Karyokinesis [Answer]
nuclear division
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] cytokinesis [Answer]
cytoplasmic division
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Prophase [Answer]
centrioles divide and move apart; nuclear envelope break downs; chromosomes condense and become visible
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] sister chromatids are connected at the ______ [Answer]
centromere
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] centrioles [Answer]
organize spindle fibers for movement of chromosomes during meiosis and mitosis
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Prometaphase [Answer]
chromosomes move to equatorial plane of the cell
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Metaphase [Answer]
centromeres/chromosomes aligned at equatorial plane
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] kinetochore [Answer]
protein assembly at the centromere; spindle fiber attachment point
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] spindle fiber attachment leads to [Answer]
cohesin degradation by separase
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] _____ at the centromere prevents cohesin degradation there [Answer]
shugosin
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Anaphase [Answer]
sister chromatids separate from each other; migrate to opposite poles
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] separated sister chromatids are called [Answer]
daughter chromosomes
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Telophase [Answer]
daughter chromosomes arrive at the poles; citokinesis commences; chromosomes uncoil and nuclear envelope is reformed
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Meiosis I is ______ division [Answer]
reductional
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Meiosis II is _____ division [Answer]
equational
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] DNA synthesis during Interphase before Meiosis I _____________ before Meiosis II [Answer]
does not occur again
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Synaptonemal Complex [Answer]
found only in chromosomes of cells undegoing meiosis; vehicle for pairing of homologs and their segregation during meiosis
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Meiosis I [Answer]
homologous chromosomes separate and move toward the poles; sister chromatids remain attached at centromeres; duplicated chromosomes reach their poles; cytokinesis occurs and two haploid daughter cells are formed
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Meiosis II [Answer]
sister chromatids in each dyad separated to opposite poles; each haploid daughter cell from meiosis II has one member of each pair of homologous chromosomes
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Nondisjunction during meiosis I or II leads to [Answer]
gametes with abnormal numbers of chromosomes
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] pairing of nonhomologous sex chromosomes ensures [Answer]
that they segregate
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Meiosis produces diversity through [Answer]
crossing over and independent assortment
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Spermatogenesis [Answer]
produces 4 haploid sperm cells
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Oogenesis [Answer]
produces and egg cell and two polar bodies
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Monohybrid crosses [Answer]
involve a single pair of contrasting traits
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Allele [Answer]
different versions of a gene
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] genotype [Answer]
combination of alleles
[]
Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Phenotype [Answer]
physical expression of genetic makeup
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Flashcards about Genetics test#3
Answer
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37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Homozygous [Answer]
two identical alleles
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Flashcards about Genetics test#3
Answer
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37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Heterozygous [Answer]
two different alleles
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Flashcards about Genetics test#3
Answer
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37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] testcross [Answer]
a way to determine whether an individual displaying the dominant phenotype is homozygous or heterozygous for that trait
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Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Mendel's three postulates of inheritance [Answer]
1)Unit factors in pairs 2)Dominance/recessiveness 3)Segregation during gamete formation
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Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Dihybrid cross [Answer]
involves two pairs of contrasting traits
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Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Mendel's fourth postulate states that [Answer]
traits assort independently during gamete formation; all possible combinations of gametes will form with equal frequency
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Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Independent Assortment leads to [Answer]
extensive genetic variation; produces genetically dissimilar gametes
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Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Conditional probability [Answer]
the likelihood of the desired outcome when one event depends on another
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Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] [n!/(s!t!)]*[(a^s)*(b^t)] [Answer]
n=total# of events s=#of times outcome a occurs t=#of times outcome b occurs
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Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] degree of freedom = [Answer]
n-1
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Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Wild type [Answer]
occurs most frequently in nature
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Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Loss-of-function (LOF) [Answer]
reduction or loss of the specific wild type function
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Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Null allele [Answer]
complete LOF
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Flashcards about Genetics test#3
Answer
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494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Gain of function (GOF) [Answer]
enhanced WT function
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Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Incomplete Dominance [Answer]
offspring have an intermediate phenotype; phenotypic ratio identical to genotypic ratio
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Flashcards about Genetics test#3
Answer
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37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Tay-Sachs disease [Answer]
Homozygous recessive die from hexosaminidase activity being absent; Heterozygotes appear normal but have 1/2 enzyme activity when compared to homozygous normal
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Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] threshold effect [Answer]
normal phenotypic expression occur whenever a certain level (usually 50% or less) of gene product is attained
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Flashcards about Genetics test#3
Answer
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37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Codominance [Answer]
the joint expression of two alleles of a gene in a heterozygote results in phenotypic detection of both gene products
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Flashcards about Genetics test#3
Answer
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37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Bombay phenotype [Answer]
women came from parents with A and AB blood type but she had blood type O. This is possible bc she homozygous FUT1{she dont have fucose on H substance therefore she has no substrate to make a or b antigens
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Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] i^A allele adds [Answer]
terminal sugar N-acetylgalactosamine to the H-substance
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Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] i^B allele adds [Answer]
a terminal galactose to the H substance
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Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] i^O allele adds [Answer]
no terminal sugars to the H substance
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Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] It is estimated that _____ of all genes are essential for survival [Answer]
1/3
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Flashcards about Genetics test#3
Answer
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37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Dominant lethals [Answer]
exist in things such as huntington's disease, must reproduce before subject dies
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Flashcards about Genetics test#3
Answer
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37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
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[Question] Epistasis [Answer]
one gene masks the effect of another; or two gene pairs complement each other such that one dominant allele is required at each locus to express a certain phenotype
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Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
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[Question] Epistatic interactions often arise because [Answer]
two or more different proteins participate in a common cellular function
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Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Complementation testing [Answer]
determines if two mutations causing a similar phenotype are alleles of the same gene
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Flashcards about Genetics test#3
Answer
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37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
494284e8_ashcards_about_Genetics_test_3__Answer
[Question] Pleiotropy [Answer]
expression of a single gene has multiple phenotypic effects. Ex:Marfan Syndrome
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Flashcards about Genetics test#3
Answer
http://www.studystack.com/flashcard-895563
37/1438042982013.25_20150728002302-00082-ip-10-236-191-2_720716556_3.json
1b747304_hcards_about_5th_Grade__Forces__answer
[Question] a push or a pull that causes an object to move, stop or chagne direction [answer]
force
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Flashcards about 5th Grade: Forces
answer
http://www.studystack.com/flashcard-67893
37/1438042988598.68_20150728002308-00067-ip-10-236-191-2_730457861_3.json
1b747304_hcards_about_5th_Grade__Forces__answer
[Question] force that pulls all objects in the universe toward each other [answer]
gravitation
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Flashcards about 5th Grade: Forces
answer
http://www.studystack.com/flashcard-67893
37/1438042988598.68_20150728002308-00067-ip-10-236-191-2_730457861_3.json
1b747304_hcards_about_5th_Grade__Forces__answer
[Question] forces going in the oppoite direction and one force is greater than the other (not on test) [answer]
unbalanced force
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Flashcards about 5th Grade: Forces
answer
http://www.studystack.com/flashcard-67893
37/1438042988598.68_20150728002308-00067-ip-10-236-191-2_730457861_3.json
1b747304_hcards_about_5th_Grade__Forces__answer
[Question] forces equal in size and opposite in direction (not on test) [answer]
balanced force
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Flashcards about 5th Grade: Forces
answer
http://www.studystack.com/flashcard-67893
37/1438042988598.68_20150728002308-00067-ip-10-236-191-2_730457861_3.json