Population Genetics

AP Biology· difficulty 2/5

Gene flow between populations

A
$Maintains genetic differences by replacing lost alleles or stabilizing frequencies$
B
$Increases genetic differences by introducing novel alleles or amplifying frequency divergence$
C
$Decreases genetic differences by bringing in new alleles or homogenizing frequencies$
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D
$Eliminates genetic differences by removing rare alleles or randomizing frequencies$

Explanation

Migration mixes alleles between populations, tending to make them more similar.

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