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Question

An isolated population of humans with equal number of blue-eyed and brown-eyed individuals was decimated by an earthquake. Only a few brown-eyed remained to form the next generation. This kind of change in the gene pool is called


A

Hardy-Weinberg equilibrium

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B

Blocked gene flow

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C

Founder effect

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D

Bottle neck effect

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Solution

The correct option is D

Bottle neck effect


Natural calamities like earthquake reduce the size of a population. The brown-eyed individuals formed the next generation though the genetic pool of the small surviving population is not a representative of genetic pool of the original population which is called as bottle neck effect.


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