makaylaspeaks9410 makaylaspeaks9410

27-10-2022
Biology

Answered

how does the recombination of linked genes contribute to natural selection? question 1 options: it maintains genetic variability in a species. it reduces genetic variability in a sexually reproducing species. it increases the number of alleles associated with a specific gene. it eliminates specific alleles in a population.

Answer :

MubeenaD MubeenaD

01-11-2022

The recombination of linked genes contribute to natural selection - it maintains genetic variability in a species.

The correct option is A.

Recombination is a process in which DNA is swapped between a pair of chromosomes as a result of chromosomes crossing over during meiosis. Recombination can therefore allow two genes that were previously unlinked because they were on different chromosomes to become linked, and vice versa: connected genes can become unlinked.

It keeps a species' genetic diversity intact.

Recombination on its own does not result in evolution. Instead, it is a supporting mechanism that cooperates with natural selection by generating gene combinations that nature favours or rejects.

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