Evolution Ques 102
102. Genetic drift operates only in small populations
[1998, February]
(a) smaller Populations
(b) larger Populations
(c) mendelian Populations
(d) island Populations
Show Answer
Answer : a
Hints & Solution
(a) Genetic drift can operate in both small and large populations, but its effects are more pronounced in smaller populations, where random changes in allele frequencies can occur, often in the absence of external disturbances. Genetic drift is the random change in allele number and frequency in a gene pool.
BETA
