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Population Bottlenecks Can Lead to the Fixation or Loss of Alleles

Question 23

Multiple Choice

Population bottlenecks can lead to the fixation or loss of alleles in otherwise large populations because the bottleneck


A) selectively eliminates or fixes alleles.
B) reduces the effective population size to close to the size of the bottleneck.
C) allows migrant alleles to overwhelm native alleles.
D) A and B
E) All of the above

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