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NEET Previous Year Question

$Variation in gene frequencies within populations can occur by change rather than by natural selection. This is referred to as$

Topic: NEET PYQ

Answer: B. Full step-by-step solution below.

A $Genetic flow$
B $Genetic drift$
C $Random mating$
D $Genetic load$

Correct answer: B

Solution

(b) A change in gene frequency within a population due to chance events rather than natural selection is called genetic drift.

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