Which of the following statements is true about the relationship between genetic variation and natural selection?

(1 point)

Genetic variation must be present in a population before natural selection can act on it.

Genetic variation arises in a population as a result of natural selection

Natural selection can act on a population whether there is genetic variation within the population or not.

After natural selection acts on a population, the amount of genetic variation in the population always increases.

1 answer

Genetic variation must be present in a population before natural selection can act on it.
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