Question

Genetic drift operates only in
(a) smaller populations
(b) larger populations
(c) mendelian populations
(d) island populations

Answer 1

The random changes in gene frequencies in a population occurring by chance alone rather than by natural selection are called genetic drift or Sewall Wrigth effect. The effects of genetic drift are most marked in very small isolated population, although it occurs in all populations.

So, the correct answer is 'Smaller populations.

HOPE THIS HELPS. . . . . .

Answer 2

HEy mate HeRe Is your Answer-

Genetic drift operates only in finite population

The answer can be island population (d)