outbreeding


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outbreeding

/out·breed·ing/ (out´brēd″ing) the mating of unrelated individuals, which often produces more vigorous offspring than the parents are in terms of growth, survival, and fertility.

outbreeding

(out′brē′dĭng)
n.
1. The breeding or mating of distantly related or unrelated individuals.
2. The intentional breeding of distantly related or unrelated individuals for the purpose of producing offspring of superior quality.

outbreeding

Etymology: AS, ut, out, bredan, to breed
the production of offspring by the mating of unrelated individuals, which can lead to superior hybrid traits or strains. Compare inbreeding. See also heterosis.

outbreeding

a mating system in which matings between close relatives do not usually occur. Compare INBREEDING.

outbreeding

the mating of unrelated organisms. Called also crossbreeding.
References in periodicals archive ?
Living flies from below fissures Makilu 3, Ngauluka 16 and Mbuinzau 12 (see Appendix 1) were collected separately into 95% ethanol, providing suitable genetic material for DNA analysis and allowing investigations of whether outbreeding had occurred between the original Ukasi Hill population and the newly discovered ones.
Thus, we see in other species, such as birds like the great tit, a range in mating behavior, from a high level of breeding with more closely related birds to a high level of outbreeding.
The genetic interpretation of inbreeding depression and outbreeding depression.
In Blackburn, Griffin claims burkhas nothing to do with religion: "It's their way of saying, 'We're here, we're outbreeding you, your Government's paying us to take over and we're going to fly the black flag of Islam over your No 10 Downing Street'.
We think that chronically stressful environments should increase outbreeding, because inbreeding may lead to offspring that are not genetically diverse enough to deal with the varying circumstances that a risky and stressful environment imposes on them," she said.
Thus, although outbreeding is possible, this species seemed to be promoting intragametophytic selfing as the major reproductive strategy.
But in the case of Goodyera procera is a good example (Wong and Sun, 1999) where despite its outbreeding system, allozyme data revealed relatively low variation at the species level (P = 33%; A = 1.
Panic within non-communist countries that the enemy might be outbreeding them supported restrictions on contraceptives.
and the speed with which Hispanics are outbreeding whites; this is less of a worry, he suggests, because Hispanics have cultural norms and values very similar to the white U.
Marriages within the gotra are banned in Hindus under the rule of exogamy or outbreeding in the traditional matrimonial system.
The evolution of cytoplasmic incompatibility types: integrating segregation inbreeding and outbreeding.
Microsatellite loci reveal sex-dependent responses to inbreeding and outbreeding in red deer calves.