Genetic drift operates only in
Options
(a) island population
(b) smaller population
(c) larger population
(d) mendelian population
Correct Answer:
smaller population
Explanation:
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Genetic drift refers to changes in allele frequencies of a gene pool due to chance. Though it operates both, in large and small populations, it is expected to be significant only in small populations, where alleles may become extinct or get fixed by chance alone.