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5.20: Forces of Evolution

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

TermDefinition
bottleneck effect Genetic drift that occurs when a population suddenly gets much smaller.
founder effect Genetic drift that occurs when a few individuals start, or found, a new population.
gene flow Change in allele frequencies that occurs when individuals move into or out of a population.
genetic drift A random change in allele frequencies that occurs in a small population.

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Difficulty Level:
At Grade
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Date Created:
Feb 24, 2012
Last Modified:
Sep 04, 2016
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SCI.BIO.428.1.L.1