Question

Define:
(i)Gene flow
(ii)Genetic drift
(iii)Reproductive isolation​

Answer 1

Answer:

(1) Gene flow

In population genetics, gene flow is the transfer of genetic variation from one population to another. If the rate of gene flow is high enough, then two populations are considered to have equivalent allele frequencies and therefore effectively be a single population.

(2) genetic drift

variation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce.

(3)Reproductive isolation

Reproductive isolation refers to the situation where different species may live in the same area, but properties of individuals prevent them from interbreeding. The things which stop species or groups of organisms reproducing sexually are called isolating mechanisms.

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Answer 2

Answer:

1) Gene flow

Explanation:

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