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gogolik [260]
3 years ago
15

Natural selection increases the frequency of beneficial alleles in

Biology
1 answer:
uysha [10]3 years ago
7 0
Natural selection leads to increases in the mean fitness of populations and so will reduce the frequency of disease-associated alleles, but other evolutionary processes, such as mutation and gene flow, may introduce or increase the frequency of these deleterious alleles.
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