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9 Cards in this Set
- Front
- Back
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Distinguish between intergroup variation and intragroup variation.
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Intergroup - between different groups
Intragroup - within one single group |
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Give an example of a single gene trait.
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Specific Language Impairment
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Give an example of intragroup variation being maintained due to natural selection.
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Tay Sachs Disease
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Give an example of intragroup variation being maintained by mutation.
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Genetic diseases - PKU, Cystic fibrosis, etc
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Give an example of intragroup variation being maintained by adaptive lag
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NIDD in Nauru
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Give an example of intergroup variation being maintained by genetic drift
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Founder populations (eg. Afrikaners, Mormons, Amish)
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Describe the Afrikaners.
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Large percentage of population carries genes for Porphyria variegata. Example of intergroup variation caused by genetic drift
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Define heritability.
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The fraction of the phenotypic variation in the population that is the result of genetic variation, as opposed to the environment.
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Distinguish between Bergmann's Rule and Allen's Rule.
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Bergmann - tall cold, short warm
Allen - tall warm, short cold |
