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Effects of Genetic Drift

APBIO-4EPL2K

If two populations of a species exist in isolation from each other, and one population experiences genetic drift while the other does not, which of the following is the MOST likely outcome?

A

The two populations will experience allopatric speciation.

B

The population that experiences genetic drift will go extinct.

C

The two populations, because they are the same species, will stay in Hardy-Weinberg equilibrium with each other.

D

Evolution will occur, since the gene frequencies in the gene pools of the two populations will change.