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genetic drift

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genetic drift

 
Use genetic drift in a Sentence
–noun
random changes in the frequency of alleles in a gene pool, usually of small populations.
Compare gene flow.

Origin:
1955–60
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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The DNA Ancestry Project
Discover Your Ancestry with DNA. Find Ethnic and Geographic Origins.
www.DNAAncestryProject.com
genetic drift  
n.  Random fluctuations in the frequency of the appearance of a gene in a small isolated population, presumably owing to chance rather than natural selection.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: genetic drift
Function: noun
: random changes in gene frequency especially in small populations when leading to preservation or extinction of particular genes
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

genetic drift n.
Random fluctuations in the frequency of the appearance of a gene in a small isolated population, presumably owing to chance rather than natural selection. Also called drift.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
genetic drift  
Fluctuations in the frequency of a gene in a small isolated population, thought to be due to random chance rather than natural selection.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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