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  • In biology a hybrid is an offspring of two animals or plants of different breeds, varieties, species, or genera. Using genetics terminology, it may be defined as follows. In general usage, hybrid is synonymous with heterozygous: any offspring resulting from the breeding of two genetically distinct individuals a genetic hybrid carries two different alleles of the same gene a structural hybrid results from the fusion of gametes that have differing structure in at least one chromosome, as a result of structural abnormalities a numerical hybrid results from the fusion of gametes having different haploid numbers of chromosomes a permanent hybrid is a situation where only the heterozygous genotype occurs, because all homozygous combinations are lethal. From a taxonomic perspective, hybrid refers to: Offspring resulting from the interbreeding between two animal species or plant species. See also hybrid speciation. Hybrids between different subspecies within a species are known as intra-specific hybrids. Hybrids between different species within the same genus are sometimes known as interspecific hybrids or crosses. Hybrids between different genera are known as intergeneric hybrids.

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