2
QuizMultiple Choice

Population Genetics

Question 2 • 112 CCHS Environmental Science

Which of the following is not a potential result of a bottleneck event?

Answer
A
an increase in potential mates
B
a decrease in genetic diversity
C
an increase in inbreeding
D
an increased chance of extinction

Explanation

A bottleneck sharply reduces a population’s size, leaving fewer individuals to reproduce. This can decrease genetic diversity, increase inbreeding, and raise the chance of extinction. It would not increase the number of potential mates; the smaller population generally means fewer potential mates.

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