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Let us say you have three alleles in a population of beetles. Two colors; brown is recessive to green. Thus you have; GG, which is homozygous dominant and green, you have Gb, which is heterozygous and also green. Then you have bb, which is homozygous recessive. This is your population of beetles.

What do you think the allele frequency would be if GG, the homozygous dominant, either immigrated, or emigrated out of or into your population of beetles? Since the frequency of Gb and bb would necessarily go down statistically you would see more green morphologies and a change in genetic allele frequency. Assuming normal conditions.

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Q: How can immigration and emigration alter allele frequencies in a population?
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The allele frequencies of a population are more likely to remain unchange if?

There is no evolution. Random mating, no immigration/emigration, or, in short, Hardy-Weinberg equilibrium holds.


What does it mean for a population to be in genetic equilibrium?

It is a situation where allele frequencies remain constant.


A population in which allele frequencies do not change from generation to generation is said to be in?

A population in which the allele frequencies do not change from one generation to the next is said to be in equilibrium.


If the actual allele frequencies in a population do not match genotype frequencies predicted by the Hardy Weinberg equation what is the population?

The population is evolving.


What is the process called when allele frequencies in a population of a species change over time?

Evolution; the change in allele frequencies over time in a population of organisms.


Would a dominant allele ever return to a population?

If a population does not have a particular dominant allele, it could return to the population through the immigration of new individuals carrying the dominant allele.


What is a situation in which allele frequencies remain constant?

Equal fitness in a population


The influence of genetic drift on allele frequencies increases as?

population size decreases


Generation-to-generation change in allele frequencies in a population is?

The term used to describe the generation-to-generation change in allele frequencies of a population is simply evolution. Simple answer for a complicated-looking question. ;) Hope this helps.


Under what conditions would you expect allele frequencies to stay same?

Equal fitness in a population


In a population the sum of the relative frequencies of all alleles for a particular trait is?

Gene or allele frequency


What is Generation-to-generation change in the allele frequencies in a population?

Evolution, of course.Evolution is the change in allele frequency over time in a population of organisms.