1) how do changes in allele frequencies over time differ between the two scenari

Question

1) how do changes in allele frequencies over time differ between the two scenarios of selection with mutation vs. selection only?
2) how do changes in allele frequencies over time differ between the two scenarios: selection and drift vs. selection only? 1) how do changes in allele frequencies over time differ between the two scenarios of selection with mutation vs. selection only?
2) how do changes in allele frequencies over time differ between the two scenarios: selection and drift vs. selection only?
2) how do changes in allele frequencies over time differ between the two scenarios: selection and drift vs. selection only?

Explanation / Answer

The process of mutation, natural selection, migration, and genetic drift all affect the gene pool of a population, and change the allele frequency in a gene pool.

1) Changes in allele frequency are high during selection of a particular gene in a given population compared to that of mutations.

2) Genetic drift is the change in the allele frequency in a population due to random sampling; this is also known as blind luck. It occurs in every population and in every generation. Allele may disappear completely due to genetic drift, thus reduces genetic variation. When the population is small in size, that means a population has few copies of alleles, the effect of genetic drift is larger.

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