What characteristic do a bottleneck and a founder effect have in common? Both encounter a population crash. Both involve a portion of a population becoming isolated. Both involve a decrease in a population's genetic diversity. Both affect the entire population. Both are a type of natural selection.

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Both involve a decrease in a population's genetic diversity.

The characteristic that a bottleneck and a founder effect have in common is that C. Both involve a decrease in a population's genetic diversity.

What is genetic diversity?

It should be noted that a genetic diversity simply means a reflection of the similarities and the differences in the genes.

In this case, the characteristic that a bottleneck and a founder effect have in common is that they both involve a decrease in a population's genetic diversity.

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