Genetic drift is also known as

Phenotypic variation

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Natural selection

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Bottleneck phenomenon

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Theory of beetles

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Solution

The correct option is C Bottleneck phenomenon
Genetic drift is also known as bottleneck phenomenon or Sewall Wright effect. Genetic drift causes a sudden change/loss of gene pool of a species. Due to this the variation of that species reduces which in turn causes reduced genetic diversity in resulting offspring.

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