Answer:
The correct answer is option D. The genetic traits not selected by fishing would increase in the population.
Step-by-step explanation:
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In the case of overfishing, it would affect genetic variation, since the traits that are not selected by fishing are the ones that would survive the most in the population. That is, those chosen to be fish will take some characteristics of the population.
We will conclude that the correct answer is option D. The genetic traits not selected by fishing would increase in the population.