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A. Genetic drift refers to change in allelic frequencies of a gene pool due to chance and occurs both in large and small populations._ans_key_R. Small populations will, therefore, suffer more than larger ones.

A. If A and R both are true and R is correct explanation of A
B. If A and R both are true but R is not correct explanation of A
C. If A is true and R is wrong
D. If A is wrong and R is true
Answer» B. If A and R both are true but R is not correct explanation of A


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