population genetics

the branch of genetics concerned with the hereditary makeup of populations.
the study of changes in gene frequencies in population of organisms and the effects of such changes on evolution and adaptation.


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American Heritage
Medical Dictionary

population genetics n.
The branch of genetics that deals with the genetic makeup of populations.

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
population genetics  
The scientific study of the inheritance and prevalence of genes in populations, usually using statistical analysis.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

population genetics definition

The study of the genetic composition of populations in order to understand the evolutionary forces that select for a particular gene.

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
Conservation genetics is an umbrella term for a variety of sciences, including
  ecology, molecular biology and population genetics.
Either way, concern over population genetics studies and challenges to human
  gene patenting will continue to evolve.
Evolutionary psychology evolved from sociobiology and, before that, population
The relationship between language families and historical population genetics
  has a long history.
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