Multiple choice

How does genetic drift affect allele diversity?

  1. Causes an Increase in diversity

  2. Causes a Decrease in diversity

  3. Maintains diversity

  4. Has no change
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Genetic drift is the change in allele frequencies due to random chance. Because it involves the random loss of alleles, it typically leads to a decrease in genetic diversity within a population.

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