The bottleneck effect is a type of
Correct answer: B. Genetic drift
- A. Natural selection
- B. Genetic drift
- C. Gene flow
- D. Mutation
Explanation
The bottleneck effect is genetic drift caused by a drastic reduction in population size, reducing genetic diversity.
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About Darwinism
Darwinism explains evolution through inherited variation, competition for limited resources, survival and reproduction of better-adapted organisms, and natural selection over generations. It is distinguished from Lamarckism because Darwin's explanation depends on selection acting on existing heritable differences, not the inheritance of acquired characteristics.
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