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hybrid
A Dictionary of Zoology | Date: 1999
hybrid 1. An individual animal that results from a cross between parents of differing
genotypes. Strictly, most individuals in an outbreeding population are hybrids, but the term is more usually reserved for cases in which the parents are individuals whose
genomes are sufficiently distinct for them to be recognized as different
species or
subspecies. A good example is the mule, produced by cross-breeding an ass and a horse (each of which can breed true as a species). Hybrids may be fertile or sterile depending on qualitative and/or quantitative differences in the genomes of the two parents. Hybrids like the mule, whose parents are of different species, are frequently sterile.
2. By analogy, any
heterozygote. Each heterozygote represents dissimilar
alleles at a given
locus, and this difference results from a cross between parental
gametes possessing differing alleles at that locus.
3. (graft hybrid) See
GRAFT.
© A Dictionary of Zoology 1999, originally published by Oxford University Press 1999.
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Ask the experts.(naming hybrids)
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Hybrids All the Rage Latest equipment invention makes long iron shots easier to hit
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Automakers unveil fleet of hybrids.
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Daily News (Los Angeles, CA); 1/7/2005; 542 words
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Hybrids: A curiosity, not a phenomenon; They have 2% of U.S. market; thus 98% reject them.(Sales)
Automotive News; 2/11/2008; Teahen, John K.; 552 words
; ... K. Teahen Jr. at jteahen@crain.com CAPTION(S): Hybrid cars and trucks accounted for 10.6 percent of Toyota Motor Sales U.S.A.'s sales last year. A 2007 Toyota Highlander Hybrid is pictured. * John K. Teahen Jr. is senior editor of Automotive News.
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