Allele frequencies of a population can change by

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All of the listed choices can cause changes in allele frequencies of a population. Natural selection can favor certain alleles and lead to their increase over time, while genetic drift can cause random fluctuations in allele frequencies due to chance events. Mutations can introduce new alleles into a gene pool or change existing ones, and founder effect occurs when a small group of individuals establish a new population with a different allele frequency than the original population.

Allele Frequencies of a Population Can Change by