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Karolina [17]
3 years ago
15

Environmental factors can influence natural selection because they can increase or decrease

Biology
1 answer:
timama [110]3 years ago
3 0

Answer:

the amount of genetic variation in a population.

Explanation:

The proportion of the members of a population possessing beneficial allele due to natural selection will increase with time while the proportion of those possessing a harmful allele will decrease with time. After many generations, all the members carrying the harmful allele will die out leaving only those with the beneficial allele. The result is a genetic variation of the population with time.

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