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founder effect

American  

noun

Biology.
  1. the accumulation of random genetic changes in an isolated population as a result of its proliferation from only a few parent colonizers.


Example Sentences

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In isolated populations like Sardinia’s, where inbreeding was common, such rare variants can become more frequent, a phenomenon called the founder effect.

From Science Magazine • Nov. 20, 2024

Both the bottleneck and founder effect change the genetic structure of a population.

From Textbooks • Jun. 9, 2022

However, the bottleneck effect occurs when inbreeding depression kills off part of a population, whereas the founder effect relies on nonrandom mating.

From Textbooks • Jun. 9, 2022

Both the bottleneck and founder effect are examples of genetic drift.

From Textbooks • Jun. 9, 2022

An event that initiates an allele frequency change in an isolated part of the population, which is not typical of the original population, is called the founder effect.

From Textbooks • Jun. 9, 2022

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