Question

The cause of genetic drift is sampling error, which occurs:when allele frequencies of a chosen subset of a population are the same as those in the total population, by selection.when allele frequencies of a chosen subset of a population are the same as those in the total population, by chance.when allele frequencies of a chosen subset of a population are different from those in the total population, by chance.when allele frequencies of a chosen subset of a population are different from those in the total population, by selection.

Answer 1

The cause of genetic drift is sampling error, which occurs when allele frequencies of a sample are different from the population due to random chance. It is a genetic phenomenon.

Genetic drift and allele frequencies

Genetic drift is a sampling error due to differences in allele frequencies of a sample from a population due to random chance.

Genetic drift is known to decrease the level of genetic variation of a given population.

Genetic drift is common in founder populations (e.g., island populations).

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