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In eastern gray squirrels, Sciurus carolinensis, the allele for black fur (B) is dominant to the allele for gray fur (b) . In a particular population of gray squirrels, 64% have black fur and 36% have gray fur. A researcher calculated the allelic frequencies to be B = 0.6 and b = 0.4. Which of the following could best explain the increase in the frequency of the Ballele in the population after five years?
a. The frequency of the B allele increased because it is the dominant allele.
b. The frequency of the Ballele increased because squirrels with gray fur exhibited greater fitness.
c. The frequency of the B allele increased due to the selective pressures of the environment.
d. The frequency of the Ballele increased because black squirrels randomly mate with other eastern gray squirrels.
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In eastern gray squirrels, Sciurus carolinensis, the allele for black fur (B) is dominant to the all...
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