heterozygosity heterozygosis • heterozygote · · · Info · Definitions · Antonyms · Characters · · heterozygosity · · Text Latin · · Script 14 · · Length Definitions · · · (noun) the state of being heterozygous; having two different alleles of the same gene. · · Noun Definition 1 Antonyms · · · homozygosity · · Antonym 0 Characters · · e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079 z latin small letter z U+007A