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inbreeding

[in-bree-ding] /ˈɪnˌbri dɪŋ/
noun, Biology
1.
the mating of closely related individuals, as cousins, sire-daughter, brother-sister, or self-fertilized plants, which tends to increase the number of individuals that are homozygous for a trait and therefore increases the appearance of recessive traits.
Origin of inbreeding
1835-1845
1835-45; inbreed + -ing1

inbreed

[in-breed, in-breed] /ˈɪnˌbrid, ɪnˈbrid/
verb (used with object), inbred, inbreeding.
1.
to breed (individuals of a closely related group) repeatedly.
2.
to breed within; engender.
verb (used without object), inbred, inbreeding.
3.
to engage in or undergo inbreeding.
Origin
1590-1600; in-1 + breed
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for inbreeding
Contemporary Examples
Historical Examples
  • That any should have done so on rational grounds, to avoid the observed evil effects of inbreeding, cannot be supposed.

  • It is very probable, but not absolutely certain, that inbreeding is harmful.

    Folkways William Graham Sumner
  • Leg weakness is usually caused by inbreeding or an accidental weakness.

  • The notion of harm in inbreeding has spread all over the earth.

    Folkways William Graham Sumner
  • A complementary experiment was made by crossing cherry club vermilion females to wild males and inbreeding the F1 in pairs.

  • In inbreeding the great difficulty of the breeder is to know when to stop.

  • inbreeding intensifies and fixes the qualities, be they good or bad.

    Hints on Dairying T. D. Curtis
British Dictionary definitions for inbreeding

inbreed

/ˈɪnˈbriːd/
verb -breeds, -breeding, -bred
1.
to breed from unions between closely related individuals, esp over several generations
2.
(transitive) to develop within; engender
Derived Forms
inbreeding, noun, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for inbreeding
n.

c.1842, from in + breeding.

Online Etymology Dictionary, © 2010 Douglas Harper
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inbreeding in Medicine

inbreeding in·breed·ing (ĭn'brē'dĭng)
n.

  1. See homogamy.

  2. The continued breeding of closely related individuals so as to preserve desirable traits in a stock.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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inbreeding in Science
inbreeding
  (ĭn'brē'dĭng)   
The breeding or mating of related individuals within an isolated or closed group of organisms or people. Inbreeding can result in inbreeding depression. However, in agriculture and animal husbandry, the continued breeding of closely related individuals can help to preserve desirable traits in a stock.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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