Term
| what is pleiotropy? example? |
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Definition
the impact of 1 gene on more than one characteristic
sickle cell anemia |
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Term
| what is polygenetic inheritance? |
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Definition
| traits that aren't "either/or" |
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Term
| how many chromosomes is the gene for skin color located on? |
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Definition
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Term
| what are the sex chromosomes of birds? |
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Definition
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Term
how many sex chromosomes do bees, wasps and ants have?
what kind of cells do females and males have? |
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Definition
NONE
females are diploid, males are haploid |
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Term
| who discovered sex linked genes? |
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Definition
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Term
| who rediscovered Mendel's work? |
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Definition
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Term
| why did Morgan use Drosophila (fruit flies) for his experiments? |
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Definition
short life cycle (2 weeks)
easy to reproduce
easy to store
only 4 chromosome pairs (1 is sex chromosomes) |
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Term
| what are 3 sex linked disorders in humans? |
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Definition
color blindness
hemophilia (poor clotting)
Duchenne Muscular Dystrophy |
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