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An organism that has different alleles at a particular gene locus on homologous chromosomes.


(ˌhɛtərəʊˈzaɪɡəʊt; -ˈzɪɡəʊt)
(Biology) an animal or plant that is heterozygous; a hybrid. Compare homozygote
ˌheterozyˈgosis n


(ˌhɛt ər əˈzaɪ goʊt, -ˈzɪg oʊt)

a hybrid containing genes for two unlike forms of a characteristic, and therefore not breeding true to type.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.heterozygote - (genetics) an organism having two different alleles of a particular gene and so giving rise to varying offspring
fertilized ovum, zygote - (genetics) the diploid cell resulting from the union of a haploid spermatozoon and ovum (including the organism that develops from that cell)
genetic science, genetics - the branch of biology that studies heredity and variation in organisms
References in periodicals archive ?
The results of the overall analysis indicated that this polymorphism was not significantly associated with male infertility although significant associations were found under the dominant and heterozygote models in the overall population after excluding not-in-HWE studies.
1620 C>A) heterozygote mutation in the FGFR3 gene in our patient.
Heterozygote pigs should be either bred at least for two generations to ultimately obtain homozygote pigs.
Optimized Agilent SureSelect panels running with the 10x Genomics Chromium platform will add significant value to our customers' targeted sequencing projects by offering loci in the genome that were previously difficult to access, as well as compound heterozygote phasing, structural variation and copy number detection.
A well-known single nucleotide resistance mutation at the ACE-1 gene is near ubiquitous in the population, but because almost every female is a heterozygote (possesses a resistant and susceptible allele) it did not seem this could cause any variation in resistance.
Six children aged 2-16 months showed equal expression of two alleles, 2 children aged 7 and 14 months showed slightly asymmetric expression, and 7 children aged 22-132 months showed very asymmetric expression, the second allele being undetectable in the 11-year-old, as previously seen in lactase-persistent heterozygote adults.
5-fold when MTHFR 1298AC heterozygote mutation were combined with 677CT heterozygote mutation rather than the stand-alone MTHFR 1298AC heterozygote mutation.
The mutation was found in the homozygote patients with WS4 and their asymptomatic heterozygote parents.
Here, we present a case of antiphospholipid syndrome accompanied by heterozygote methylene tetrahydrofolate reductase gene mutation (MTHFR) mutation and hemophilia B.
Furthermore, it appears that patients who are heterozygote C282Y/ H63D and C282Y/S65C are at increased risk of developing hemochromatosis phenotypically.
A compound heterozygote HbS/[alpha]-thalassemia will have fewer symptoms than most HbS/[[beta].