Based on the theory of natural selection, if an allele is disadvantageous to a population, how could one expect the frequency of that allele to change over time?

a. the frequency of the disadvantageous allele would increase over time
b. the frequency of the disadvantageous allele would decrease over time
c. the frequency of the disadvantageous allele would not change over time
d. it is impossible to determine how the allele frequency would change over time


b. the frequency of the disadvantageous allele would decrease over time

Biology & Microbiology

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