Question

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: a. The bottleneck effect. b. Founder effect. c. Hardy-Weinberg effect. d. Culling effect. e. Genetic load.

Answer 1

Answer: option A - bottleneck effect

Explanation:

Whenever sudden change caused by human or natural disasters occurs in the environment leading to the reduction of organisms or biodiversity present to a lower size, such condition is referred to as BOTTLENECK EFFECT.