Question: What is the role of genetic drift in evolution? (1930)

Options:

1. It increases genetic variation
2. It leads to random changes in allele frequencies
3. It promotes adaptation to the environment
4. It is a form of natural selection

Correct Answer: It leads to random changes in allele frequencies

Exam Year: 1930

Solution:

Genetic drift is a mechanism of evolution that leads to random changes in allele frequencies in a population, particularly in small populations.