gene pool

noun
the total genetic information in the gametes of all the individuals in a population.

Origin:
1945–50

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Collins
World English Dictionary
gene pool
 
n
the sum of all the genes in an interbreeding population

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

gene pool n.
The collective genetic information contained within a population of sexually reproducing organisms.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
gene pool  
The collective genetic information contained within a population of sexually reproducing organisms.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

gene pool definition


The total number of genes available in a given species.

Note: Loosely speaking, the gene pool represents the total breeding stock available to the species.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
If the cyst is never eaten, then its genetic material falls out of the gene
  pool.
The result is a tiny gene pool that is saturated with bad traits.
But again, it seems more likely they'll remove themselves from the gene pool by
  making cell phone calls while driving.
But his weak health was symptomatic of the shrunken gene pool of the
  captive-bred tigers.
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