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  4. Assertion: Gene flow increase genetic variations. Reason: The random introduction of new alleles into recipient population and their removal from the donor population affects allele frequency.

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Q. Assertion: Gene flow increase genetic variations.
Reason: The random introduction of new alleles into recipient population and their removal from the donor population affects allele frequency.

AIIMSAIIMS 2007

Solution:

Gene flow is the movement of alleles from one population to another as a result of interbreeding between members of the two populations. The random introduction of new alleles into the recipient population and their removal from the donor population affects the allele frequency of both populations and leads to increase genetic variation.