Dictionary

heterozygous

adjective het·ero·zy·gous \-gəs\

Definition of HETEROZYGOUS

:  having the two alleles at corresponding loci on homologous chromosomes different for one or more loci
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First Known Use of HETEROZYGOUS

1902
Medical Dictionary

heterozygous

adjective het·ero·zy·gous \-gəs\

Medical Definition of HETEROZYGOUS

:  having the two genes at corresponding loci on homologous chromosomes different for one or more loci—compare homozygous

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