Q. A. Genetic drift refers to change in allelic frequencies of a gene pool due to chance and occurs both in large and small populations._ans_key_R. Small populations will, therefore, suffer more than larger ones. (Solved)
1. If A and R both are true and R is correct explanation of A
2. If A and R both are true but R is not correct explanation of A
3. If A is true and R is wrong
4. If A is wrong and R is true
- a. If A and R both are true and R is correct explanation of A