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16 May, 07:15

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

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  1. 16 May, 10:44
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    Genetic Drift

    Explanation:

    Allele frequency is the measure of incidence of a gene variant in population and it is usually expressed as a percentage or a proportion.

    Genetic drift is a mechanism of evolution caused by a change in allele frequencies due to establishment of a new population.

    There are two ways it can occur bottle neck and the founders effect.

    Bottle-neck is when a population becomes very small very quickly where as Founder effect is when a population colonizes a new location.
  2. 16 May, 11:08
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    Answer: Genetic drift

    Explanation: Genetic drift is the change in allele frequencies that occurs when a new population is established. It is one of the major cause of the evolution of new species. Genetic drift is accompanied by a change in allele frequencies, the effects of genetic drift is always intense in smaller population compared to that of a larger one.
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