Evolution Question 67
67. Genetic drift operates only in
[1998, 02]
(a) smaller Populations
(b) larger Populations
(c) mendelian Populations
(d) island Populations
Show Answer
Answer : a
Hints & Solution
(a) Genetic drift can operate only on smaller populations where its fluctuation can be observed in the proportion of allele distribution in the presence of external disturbances. Genetic drift is the random change in allele number and frequency in a gene pool.