Question

Which of the following would change the allele frequencies of a population?
A)Lack of mutation in the DNA
B)Mating is random with no selection occurring
C)A population on an island remains isolated and no one leaves or moves on the island
D) All of the answer choices would change allele frequencies of a population.

Answer 1

Answer: option B.

B)Mating is random with no selection occurring

Explanation:

This will cause change in allele frequency because it's a genetic drift which is the change in the frequency gene variant that is common in a population due to random sampling or random mating. When this occur it lead to a change in percentage or incidence of gene variant in a population since there is random sampling without any selection.

Answer 2

Mating is random with no selection occurring, which would change the allele frequencies of a population.

What would increase the allele frequency in a population?

Natural selection can drive microevolution, or a difference in allele frequencies over time, with fitness-increasing alleles becoming more common in the population over generations.

Thus, option"B" mating is random with no selection occurring.

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