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Lecture

sexual selection

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Department
Biology
Course
BIOL 1000
Professor
Tamara Kelly
Semester
Summer

Description
Non-Random Mating and Adaptive Evolution -------Monday, November 8, 2010 Genetic Drift - rare species of beetle; only found at york university keele campus - beetles surviving due to the hardness of their shell- natural selection - colours of beetle shell- genetic drift Mating - mating can be non-random or random mating - assortative mating—non- random mating such as humans who pick a mate similar to one another - Inbreeding- mating b/w relatives : individuals tht share a very recent common anscestor - Refer to example on homo, heter - P = 0.5 A1 = A1A1= p2 =0.25 - Example of jackets between two nice jackets, one nice and one torn and both torn jackets. - Inbreeding depression: icreases hzy and decreases heter
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