mechanisms of evolution

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由Nickie Spencer

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由Nada Amin

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由Kershondra Dickerson

mechanisms of evolution

sexual selectoin

a special type of natural selection

gene drift

is a change in the frequency of an allele within a population over time

bottleneck effect

is the loss of genetic variation that occurs when a new population is a very small number of individuals from a larger population.

bottleneck effct

founder effect

natural selection

its the observable change in the allele frequenices of a population over time

directional selection

stabilizing selection

gene flow