NEET Biology question
Match column I with column II and select the correct option from the codes given below.
| Column I | Column II | |---|---| | A. Mutation | (i) Changes in population's allele frequencies due to chance alone | | B. Gene flow | (ii) Differences in survival and reproduction among variant individuals | | C. Natural selection | (iii) Immigration or emigration that changes allele frequencies | | D. Genetic drift | (iv) Source of new alleles |
Answer: (C)
Solution
Mutation is the ultimate source of new alleles (iv); gene flow changes allele frequencies through immigration and emigration (iii); natural selection acts through differences in survival
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