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 (hō′mō-zī′gəs, -mə-, hŏm′ə-)
Having the same alleles at a particular gene locus on homologous chromosomes.

ho′mo·zy·gos′i·ty (-gŏs′ĭ-tē) n.
ho′mo·zy′gous·ly adv.


(ˌhəʊməʊzaɪˈɡɒsɪtɪ; ˌhɒm-)
(Genetics) genetics the condition or fact of being homozygous
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.homozygosity - the state of being homozygous; having two identical alleles of the same gene
state - the way something is with respect to its main attributes; "the current state of knowledge"; "his state of health"; "in a weak financial state"
heterozygosity - the state of being heterozygous; having two different alleles of the same gene
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References in periodicals archive ?
The presence of arginine homozygosity is reported to give protection against endometriosis, whereas arginine/prolineheterozygosity and prolinehomozygosity is reported to be positively associated with endometriosis.
As shown in a study on an extended family in the Punjab, if parents are more closely related through inter-marriages, the risk of their offspring inheriting Homozygosity (ie possessing two identical forms of a particular gene, one inherited from each parent) is greatly increased.
Linkage analysis was carried out by amplifying the genomic DNA with STS markers through homozygosity mapping against the loci, known to cause arRP.
The combined homozygosity of these two genetic alterations in the UGT1A1 promoter can reduce the transcriptional activity of this gene to <30% of normal.
Localization of a gene for Papillon-Lefevre syndrome to chromosome 11q14-q21 by homozygosity mapping.
3%) and subsequent samples demonstrating homozygosity were characterized in parallel with a second method (SBT, SSO, or SSP) to confirm the genotyping results by NGS and to identify possible causes of discrepancies.
Prion protein gene (PRNP) sequencing showed no mutations with methionine homozygosity at codon 129.
20] In this context, homozygosity for a specific nucleotide insertion, NM_021939.
Clonal analyses reveal associations of JAK2V617F homozygosity with hematologic features, age and gender in polycythemia vera and essential thrombocythemia.
It can be understood that the homozygosity was increased due to selection pressure although there was random mating.
Among their topics are allopolyploidy and interspecific hybridization for wheat improvement, polyploidy in maize: the impact of homozygosity and hybridity on phenotype, broadening the genetic basis for crop improvement: interspecific hybridization within and between ploidy levels in Helianthus, oat improvement and innovation using wild genetic resources (Poaceas, Avena spp.