How does isolation of a population lead to a decrease in genetic diversity

Question

Biology

Wesley Morales

4 May, 16:35

How does isolation of a population lead to a decrease in genetic diversity

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Answers (1)

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Leyla Nash · Answer 1

Decrease in genetic diversity reduces the chance of variation in the offspring.

Explanation:

If there is no variation, there will be no evolution. So, if there is a change in the environment (like an outbreak of a disease) that affects one of the organisms, it is likely to affect all of them and destroy the whole population. This would lead to extinction.