Match the following columns.
| Column I | Column II |
| a. Genetic drift | 1. Change in the population's allele frequency due to chance alone |
| b. Natural selection | 2. Difference in survival individuals |
| c. Gene flow | 3. Immigration or emigration changes the allele frequency |
| d. Mutation | 4. Source of the new alleles |
A. a-1, b-2, c-3, d-4
B. a-1, b-2, c-4, d-3
C. a-1, b-4, c-2, d-3
D. a-4, b-2, c-1, d-3
Answer: Option A
This Question Belongs to Biology GK Chapter Wise >> Gentics And Evoloution
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