When a sudden change in the environment, such as a flood or fire, reduces the size of a population, the survivors' collective gene pool will be only a limited representation of what was present before the disaster. This phenomenon is called the:

A. Hardy-Weinberg effect.
B. the founder effect.
C. bottleneck effect.
D. culling effect.
E. genetic load


Answer: C. bottleneck effect.

Biology & Microbiology

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