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Genetic drift and allelic drift is the change in frequency of a gene variant is a pollution due to random sampling. the population allige frequency is the fraction of the copies of one gene that share a particular form.
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Genetic Drift is defined as sudden change in the frequency of the Gene.
It means... when there is chnge in the frq. of gene...that is called...genetic drift
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hello baboo. nenu answer marcha annayya