Question: Which of the following best describes genetic drift? (2022)

Options:

1. Change in allele frequencies due to random sampling
2. Change in allele frequencies due to natural selection
3. Change in allele frequencies due to mutation
4. Change in allele frequencies due to gene flow

Correct Answer: Change in allele frequencies due to random sampling

Exam Year: 2022

Solution:

Genetic drift refers to random changes in allele frequencies in a population, often having a more significant effect in small populations.