Organism Attribute
heterozygote Audio
het·er·o·zy·gote [ het-er-uh-zahy-goht, -zig-oht ]
Subclass of:
Genotype
Definitions related to heterozygote:
  • An individual having different alleles at one or more loci regarding a specific character.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Having different alleles at one or more loci in homologous chromosome segments.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • (heterozygosity) Having two different allelic forms of a gene, one inherited from each parent, on each of the two homologous chromosomes.
    NCI
    U.S. National Cancer Institute, 2021
  • (heterozygous genotype) Occurs when the two alleles at a particular gene locus are different. A heterozygous genotype may include one normal allele and one mutation, or two different mutations. The latter is called a compound heterozygote.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
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