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- doubly h. in the analysis of linkage between two loci, denoting that genotype in which a parent is h. at both loci, the state that on average contains the maximum information about the linkage.
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het·ero·zy·gous -gəs adj having the two genes at corresponding loci on homologous chromosomes different for one or more loci compare HOMOZYGOUS
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adj.
describing an individual in whom the members of a pair of genes determining a particular characteristic are dissimilar. See allele. Compare homozygous.
• heterozygote n.
Medical dictionary. 2011.