hunting reduces the population size of the northern elephant seal to as few as 20 individuals at the end of the 19th century. their population has since rebounded to over 30,000, but they have much less genetic variation than a population of the southern elephant seals that was not so intensely hunted. how is the lack of genetic variation related to the hunting episodes of the 1800’s?

Genetic variations are occurred due to the genetic drift which happens randomly at any place at any time and forces the organisms to change their genotype frequency.

What do you mean by Genetic variations?

Genetic variations may be defined as the presence of variable sequences of genes between organisms of the same species.

The cause of hunting leads to the genetic drift in the population size of the northern elephant. The process of hunting may be beneficial to anyone's particular genotype, and when this particular genotype may interbreed, it leads to fewer genetic variations.

Therefore, genetic variations are occurred due to the genetic drift which happens randomly at any place at any time and forces the organisms to change their genotype frequency.

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