heterozygous
heterozygous Describing an organism or cell in which the alleles at a given locus on homologous chromosomes are different. The aspect of the feature displayed by the organism will be that determined by the dominant allele. Heterozygous organisms, called heterozygotes, do not breed true. Compare homozygous.
heterozygous
heterozygous (het-er-oh-zy-gŭs) 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.
—heterozygote n.
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