LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Gene flow involves
A
Natural disasters killing most of the members of a population
B
Individuals moving into and out of the population
C
Selective mating
D
Small changes because of the environment
Explanation: 

Detailed explanation-1: -Gene flow is also called gene migration. Gene flow is the transfer of genetic material from one population to another. Gene flow can take place between two populations of the same species through migration, and is mediated by reproduction and vertical gene transfer from parent to offspring.

Detailed explanation-2: -Gene flow is caused by the movement of genetic material from one population to another. This can be due to the migration of individuals, either naturally or forced, where they are able to mate and reproduce in the new population.

Detailed explanation-3: -An important evolutionary force is gene flow: the flow of alleles in and out of a population due to the migration of individuals or gametes.

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