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taskmasters

"Gene flow" is the one mechanism among the choices given in the question that increases the amount of genetic variations in a population. The correct option among all the options that are given in the question is the second option or option "B". I hope that the answer has come to your help.

Erudite1

The correct option is B.

Gene flow refers to the movement of genes from one population to another population. The movement of genes in and out of a particular population usually result in significant changes in the gene frequencies of the population members that are carrying specific variant of a particular genes. Thus leading to increase in the amount of genetic variations in that population.

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