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Explain the general way of how to recognize, given the outcomes of a set of populations,...

Explain the general way of how to recognize, given the outcomes of a set of populations, whether natural selection or genetic drift may have occurred. What would allele frequencies have done in each of these situations (natural selection vs. genetic drift)?

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Answer #1

Natural selection is a gradual process. It is the process of adaptation of organisms in an environment. Here survial of fitest rule is applied. This is carried to thousands of their next generation.

Genetic drift- When frequency of trait in a population changes purely by chance. It is a sudden or rapid change. This may occur when a part of population die due to any natural calamity and other may selectively breed resulting in change in allelic frequency. This change may be good or bad.

In natural selection specific alleles are passed to next generation as they are advantageous where as in genetic drift there is a random change in allele frequencies.

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