APFIVE Natural Selection in Pocket Mice
In a population of pocket mice living on dark lava rock, which evolutionary mechanism best explains the prevalence of the mutant MC1R allele that produces melanic (dark) fur?
A
Sexual selection based on mate preference for dark fur
B
Directional selection favoring camouflage against predators
C
Mutagenic properties of the lava rock environment
D
Genetic drift randomly increasing the frequency of the allele
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