Q.36 Which of the following statement(s) about the effect of genetic drift is/are correct?
Which of the following statement(s) about the effect of genetic drift is/are correct?
(A) It can cause changes in the frequency of alleles at random
(B) It is a mechanism of evolution
(C) It can lead to loss of genetic variation within small populations
(D) It is significant in large populations
Answer
Answer: (A) It can cause changes in the frequency of alleles at random, (B) It is a mechanism of evolution, (C) It can lead to loss of genetic variation within small populations
Explanation: Genetic drift causes random changes in allele frequencies and is more pronounced in small populations.