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heterosis

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heterosis /het·er·o·sis/ (het″er-o´sis) the existence, in the first generation hybrid, of greater vigor than is shown by either parent strain.
heterosis
[het′ərō′sis]
Etymology: Gk, heteros + osis, condition
the superiority of first-generation hybrid plants and animals with respect to one or more traits when compared with either of the parent strains or with corresponding inbred strains. Also called hybrid vigor.
heterosis [het″er-o´sis]
the existence, in the first generation hybrid, of greater vigor than is shown by either parent.
heterosis
the existence, in the first generation hybrid, of greater vigor than is shown by either parent.
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Mixed breeds usually have a certain amount of heterosis ( increased vigor or other superior qualities that come from crossbreeding), which, under some circumstances, result in stronger and more disease-resistant dogs.
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Jones discovered that genetic differences in the two species made breeding difficult but also gave the new rice high levels of heterosis, the condition where the offspring of two genetically different plant parents grow faster, yield more and resist stresses better than either parent.
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Genetically male tilapia (GMT [TM]) are produced by crossing XX female and YY male broodstock, exhibit heterosis, and are favored for aquaculture.
ACCLIMATION INCREASES LOW TEMPERATURE TOLERANCE IN FINGERLING GMT[TM] ... by Hofer, Scott C.; Watts, Stephen A. / Journal of the Alabama Academy of Science
 
 
 
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