heterosis

Hybrid vigour, the superiority of a heterozygotic organism over the homozygote.

Heterosis

Increased growth, vigour or yield frequently shown in the F1 generation of a cross. Hybrid vigour.

Heterosis

Het`e·ro'sis noun [ New Latin , from Greek ... alteration, from ... other, different.] (Rhet.) A figure of speech by which one form of a noun, verb, or pronoun, and the like, is used for another, as in the sentence: 'What is life to such as me ?' Aytoun.
Found on http://www.encyclo.co.uk/webster/H/40

heterosis

<biology> The observation that in some circumstances, the heterozygotes in a population have higher fitness than the homozygotes, for example they grow better, are better able to survive, and/or are more fertile than the homozygotes. The effect of heterosis can also apply to hybrids (thus hybrid vigor). ... (09 Oct 1997) ...
Found on http://www.encyclo.co.uk/local/20973

heterosis

(het″әr-o´sis) the existence, in the first generation hybrid, of greater vigor than is shown by either parent, as measured by growth, survival, or fertility; it is usually a reflection if increased heterozygosity. Called also hybrid vigor.
Found on http://www.encyclo.co.uk/local/21001

Heterosis

• (n.) A figure of speech by which one form of a noun, verb, or pronoun, and the like, is used for another, as in the sentence: `What is life to such as me?`
Found on http://thinkexist.com/dictionary/meaning/heterosis/

heterosis

the increase in such characteristics as size, growth rate, fertility, and yield of a hybrid organism over those of its parents. Plant and animal ... [5 related articles]
Found on http://www.britannica.com/eb/a-z/h/45

heterosis

heterosis (het"urō'sis) : see hybrid.
Found on http://www.infoplease.com/ce6/sci/A0914326.html

heterosis

Type: Term Pronunciation: het′ĕr-ō′sis Definitions: 1. The beneficial effect on the phenotype of crossing (hybridization) on growth, vigor, and physical or mental qualities in a strain of plants or in animal stock, as measured by the difference between the midparent mean phenotype and that of F1; also referred to as...
Found on http://www.medilexicon.com/medicaldictionary.php?t=40827

Heterosis

a situation where crossing two inbred lines yields progeny that are more healthy/vigorous than their parents. (More commonly used in plant breeding.)
Found on http://www.encyclo.co.uk/local/21448

Heterosis

Heterosis, hybrid vigor, or outbreeding enhancement, is the improved or increased function of any biological quality in a hybrid offspring. The adjective derived from heterosis is heterotic. An offspring exhibits heterosis if its traits are enhanced as a result of mixing the genetic contributions of its parents. These effects can be due to Mendeli...
Found on http://en.wikipedia.org/wiki/Heterosis

Heterosis

Hybrid vigor. Superiority of a crossbred individual relative to the average performance of the purebred parents included in the cross.
Found on http://www.sheepusa.org/

Heterosis

an increase in the performance of hybrids over that of purebreds, most noticeably in traits such as fertility and survivability.
Found on http://www.sheep101.info/201/glossary.html

heterosis

use of one form of a noun or pronoun in place of another for rhetorical effect
Found on http://phrontistery.info/h.html

heterosis

Term (also heterose = inequality, heteros = the other) for the pronounced performance of hybrids (Mixed breed) in plant breeding and animal breeding. If the observed performance of the first branch generation (F1 = immediate descendants of parental generation) is higher than the average performance of this property in parental generation (parental ...
Found on https://glossary.wein-plus.eu/heterosis
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