Genetic Drift, Founder Effect, & Population Bottleneck

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US History

5th

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7 Terms

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Genetic drift
a random and drastic change of allele frequencies in a population
a random and drastic change of allele frequencies in a population
2
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Genetic drift is more likely to happen in (small/large) populations
small
3
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Founder Effect
small group of individual establish a new population that has less genetic diversity than the original population
small group of individual establish a new population that has less genetic diversity than the original population
4
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What is a real life example of the founder effect?
Amish people
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Population Bottleneck
a population gets significantly smaller in size (due to an outside force), causing loss in genetic diversity
a population gets significantly smaller in size (due to an outside force), causing loss in genetic diversity
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What is an outside force that can cause a population bottleneck?
humans hunt a population to near extinction
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A small population generally has (more/less) genetic diversity than a large population
less