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Evolution: Causes of Natural Selection

APBIO-DKE2EV

Which of the following statements concerning genetic variation is MOST accurate?

A

The process of natural selection directly creates genetic variation.

B

Changes in the environment of a population stimulate mutation and genetic change in that population.

C

Genetic variation must be present in a population before natural selection can act upon organisms in that population.

D

The higher the average heterozygosity in a population, the less genetic variation in the gene pool.