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Q.

Which of the following best describes the impact of natural selection on genetic variation within a population?

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a

Natural selection reduces genetic variation within a population.

b

Natural selection has no impact on genetic variation within a population.

c

Natural selection increases genetic variation within a population.

d

Natural selection only affects non-genetic traits.

answer is A.

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Detailed Solution

Natural selection reduces genetic variation within a population, as individuals with advantageous traits are more likely to survive and reproduce, passing on those traits to their offspring. Over time, this leads to a decrease in genetic diversity within the population as a whole.

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Which of the following best describes the impact of natural selection on genetic variation within a population?