hybrid vigor

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Related to hybrid vigor: Hybrid vigour

hybrid vigor

Increased vigor or other superior qualities arising from the crossbreeding of genetically different plants or animals. Also called heterosis.


(ˌhɛt əˈroʊ sɪs)

the increase in growth, size, yield, or other characters in hybrids over those of the parents.
[1910–15; < Late Greek hetérōsis an alteration. See hetero-, -osis]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hybrid vigor - (genetics) the tendency of a crossbred organism to have qualities superior to those of either parent
tendency, inclination - a characteristic likelihood of or natural disposition toward a certain condition or character or effect; "the alkaline inclination of the local waters"; "fabric with a tendency to shrink"
genetic science, genetics - the branch of biology that studies heredity and variation in organisms
References in periodicals archive ?
Teasing out the hidden subtleties of a type of hybrid vigor involving just one gene has provided the scientists with means to tweak the length of time that bushy tomato varieties can produce flowers.
Many breeders favor crossing Watusi with Texas Longhorns; Watusi are already built for horns and the product is a well-built calf with good hybrid vigor.
Interspecific crossing is also an effective method for exploiting hybrid vigor in many aquatic animals, including molluscs (Menzel 1977, Zouros et al.
For exploiting hybrid vigor, per se performance, sca effects and the extent of heterosis of hybrids are important.
The characteristic GY gave high positive values for mean heterosis, demonstrating the expected hybrid vigor.
Andrews' unusual combination exhibits hybrid vigor.
Red oaks hybridize, too, but don't seem to obtain the famed hybrid vigor as often as white oaks.
Some of those gains and losses of genes and other sequences might contribute to hybrid vigor, a condition in which offspring are heartier and better yielding than either parent.
Benjamin and Shaffer (2007) found hybrids of these two Ambystoma species to exhibit hybrid vigor, and they suggest hybrids may eventually replace the historically pure A.
Hybrid vigor is a great thing for crops, and Ashworth thinks it's a great thing for conveyor belts, too: its latest innovation brings together the benefits of metal and plastic.