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What is a change in allele frequency called?These changes in relative allele frequency, called genetic drift, can either increase or decrease by chance over time. Typically, genetic drift occurs in small populations, where infrequently-occurring alleles face a greater chance of being lost.
What is the term used to describe the changes in allele frequencies of a population over generations quizlet?Microevolution is a change in allele frequencies in a population over generations.
What is a change in gene frequency within a population called?A change in the frequency of an allele in a population due to random sampling of organisms is called genetic drift or allelic drift. A gene pool is defined as the set of all genes of a particular species. The transfer of alleles or genes from one population to another is called gene flow or gene migration.
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