artificial selection

noun
a process in the breeding of animals and in the cultivation of plants by which the breeder chooses to perpetuate only those forms having certain desirable inheritable characteristics.
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American Heritage
Medical Dictionary

artificial selection n.
Human intervention in animal or plant reproduction to ensure certain characteristics are represented in successive generations.

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
artificial selection  
Modification of a species by human intervention so that certain desirable traits are represented in successive generations. The different breeds of domestic dogs and the large ears of maize corn are products of artificial selection. Compare natural selection.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

artificial selection definition


The breeding of plants and animals to produce desirable traits. Organisms with the desired traits, such as size or taste, are artificially mated or cross-pollinated with organisms with similar desired traits. (Compare natural selection.)

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
Evolution by artificial selection is likely to prove almost as wasteful as the
  kind by natural selection.
Children born through this process of artificial selection were raised
  communally and maternal bonding was discouraged.
Now that's artificial selection, which is going to exhaust any genetic
  potential far more quickly than any natural selection.
From the article it seems rabbit breeders produced this rabbit by artificial
  selection alone.
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