What is founder effect?

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(B) The founder effect occurs when a small group of individuals breaks off from a larger population to establish a new colony in a different habitat.B

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$A$ change in allele frequency that occurs when a small group of a population becomes isolated from the original population.

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(B) The founder effect occurs when a small group of individuals breaks off from a larger population to establish a new colony in a different habitat.Because this small group (the founders) carries only a fraction of the total genetic diversity of the original population,the allele frequencies in the new population differ significantly from the original population.Over time,this genetic drift leads to variations and can eventually result in the formation of a new species.An example of this is the evolution of Darwin's finches on the Galapagos Islands,which originated from a few birds that migrated from the mainland.

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