Term
| In drosophila what is the gender of an XXY? |
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Definition
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Term
| In drosophila what is the gender of an XX |
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Definition
| In drosophila what is the gender of an |
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Term
| In drosophila what is the gender of an XY? |
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Definition
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Term
| In drosophila what is the gender of an X |
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Definition
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Term
| What is the genotype of a female bird? |
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Definition
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Term
| What is the genotype of a male bird? |
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Definition
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Term
| Are worker bees haploid/diploid? |
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Definition
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Term
| Are drones haploid/diploid?? |
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Definition
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Term
| Are queen bees haploid/diploid? |
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Definition
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Term
| What kind of inheritance pattern do colour blindness and haemophilia follow? |
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Definition
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Term
| How do calico/tortoiseshell cats occur? |
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Definition
Inactivtation of an X chromosome in Xo/Xb cats
if Xo is inactivated, will have black spots
If Xb is inactivated, will have orange spots
(Can't have Xo & Xb activated at once) |
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Term
| What is the carrier frequency equal to? |
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Definition
2pq
(frequency of Aa individuals) |
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Term
| What is the frequency of AA individuals or aa individuals? |
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Definition
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Term
| What is the hardy-weinberg equation? |
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Definition
| p squared + 2pq + q squared = 1 |
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Term
| What is an example of a sex-influenced trait? |
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Definition
male pattern baldness
B1B1 = normal in males & females
B1B2 = normal in females, bald in males
B2B2 = bald in males & females |
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Term
| What is an example of incomplete dominance? |
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Definition
| Red flower X white flower = pink flower |
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Term
| What is an example of co-dominance? |
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Definition
| Black flower X white flower = white & black flower |
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Term
| If an allele produces a range of phenotypes, what is this called? |
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Definition
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Term
| If 1 gene can cause a variety of disorders/problems/deviations, what is this called? |
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Definition
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Term
| What is genetic anticipation? Give 3 examples |
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Definition
when a phenotype is expressed more severely or at a younger age with each generation
e.g. Huntingtons, Myotonic Dystrophy, Fragile X |
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Term
| What is heteroplasmy? How is it related to mitochondrial disorders? |
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Definition
| More than 1 kind of organellular DNA, might have some mutant mitochondria and some normal mitochondria. The proportions vary, so this causes variable expressivity in mitochondrial disorders |
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Term
True or False
Mitochondrial genes are passed on by mother or father |
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Definition
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Term
True or False
Mitochondrial-encoded proteins function only in the mitochondria |
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Definition
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Term
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Definition
| pair of homologous chromosomes |
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Term
| How many chromosomes does a Robertsonian Translocation Carrier have? |
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Definition
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Term
| If an individual has 46 chromosomes but with some extra C21, what disorder will they have? |
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Definition
| downs syndrome (robertsonian) |
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Term
| If an individual has 46 chromosomes with some extra C13 what disorder will they have? |
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Definition
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Term
| How many bivalents/trivalents will a robertsonian translocation carrier have in Meiosis I? |
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Definition
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