Why do African populations of humans have higher levels of genetic variation compared to non-African populations?
A. Humans originated in Africa, and
subsequent migrations resulted in
populations seeded by small groups with
relatively small amounts of variation.
B. Because African populations show strong
patterns of assortative mating.
C. Numerous migrations to Africa throughout
early human history has increased genetic
diversity there.
D. High levels of UV radiation in equatorial
regions of the world have increased levels of
genetic mutations in Africa.
A
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What substance will displace the cupula during rotational equilibrium?
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