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Let us take a random example, which is genetic drift.

A small population of beetles are on a small island. Some few are green, recessive, (gg) and most are brown, dominant (Bg and BB). So you see that the majority of the population are brown, which also happens to be the adaptively favored color. Bird populations go through a boom on this island and almost all the green beetles are eaten. The allele frequency will change through this random process of genetic drift.

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Q: Why do allele frequencys in a gene pool change in gentetic drift?
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Related questions

What is the Random change in a populations allele frequency is known?

Random change in allele frequency is called genetic drift.


The change in allele frequency?

Random change in allele frequency is called genetic drift.


What are the changes of allele frequency in a small population that is due to random chance and don't follow the laws of probability?

Random changes in allele frequency are due to genetic drift.


A random change in a population's allele frequency?

Evolution is the change in allele frequency over time in a population of organisms. By mutation, genetic drift, gene flow and natural selection.


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.


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.


A situation in which allele frequences change as a result of the migration of a small subgroup of a population is known as?

Genetic Drift


What do biologist call the process when allele frequencies in a population of a species change over time due to change?

FOR PENNFOSTER....the answer is C) genetic drift


What do biologists call the process when allele frequencies in a population of a species change over time due to chance?

genetic drift


What do biologist call the process when allele frenquencies in a population of a species change over time due to chance?

C:Genetic drift


Species drift to form a new species?

I think you mean genetic drift. Genetic drift is not strong enough in itself to cause speciation generally. Genetic drift is merely a sampling error in allele frequency change due to random events.


What term is defined as the change in allele frequencies that occurs when a new population is established?

Founder Effect