Multiple choice

Rapid random changes in gene pool frequencies taking place in a small population are the consequence of

  1. genetic drift

  2. founder effect

  3. bottleneck effect

  4. natural selection
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A Correct answer
Explanation

The significant changes in gene frequencies in small, reproductively isolated populations can occur by chance. They are totally independent of mutation, recombination and natural selection. The smaller the population, the more susceptible it is to such evolution.

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