Natural selection, mutation, genetic drift, nonrandom mating, and gene flow are all mechanisms of ______ and can change allele frequencies in populations.Multiple choice question.founder effectsgeneticsevolutionbottleneck effects

Select all of the following that are mechanisms of evolution and that can alter allele frequencies.Multiple select question.suppositionmutationsedimentationnatural selectiongenetic driftmigration

Two types of factors can govern microevolution. On one hand, mutation is a constant source of new genetic variation. On the other hand, mechanisms that alter existing genetic variation, such as natural selection and genetic drift, can act to alter existing genetic variation. How do those two types of factors compare in terms of the magnitude of their effect on allele frequencies in a population?Multiple choice question.Mutations have a negligible effect on allelic frequencies, while mechanisms such as natural selection and drift can have a dramatic effect.Mutations can have a dramatic effect on allelic frequencies, even when mechanisms such as natural selection and drift are not operating.Both mutations and mechanisms, such as selection and drift, can dramatically and quickly alter allelic frequencies in a population.

A change in allele frequencies over time is known as:Group of answer choicesgenetic drift.gene flow.admixture.gene migration.

A change in allele frequency following a dramatic reduction in the size of a population is calledA.disruptive selection.B. bottleneck effect.C.stabilizing selectionD.genetic drift.

An earthquake causes the size of a deer population to drop rapidly over a short period. Allele frequencies shift. What mechanism of evolution does this situation illustrate?Multiple Choicesexual selectionmigrationartificial selectiongenetic drift - bottleneck effectgenetic drift - founder effectdisruptive selectionnatural selection