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Definition of Heterozygote
1. Noun. (genetics) an organism having two different alleles of a particular gene and so giving rise to varying offspring.
Definition of Heterozygote
1. [n -S]
Medical Definition of Heterozygote
1. Nucleus, cell or organism with different alleles of one or more specific genes. A heterozygous organism will produce unlike gametes and thus will not breed true. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)