noun which may take the genitive case particle 'no', noun
Technical term in genetics describing a genotype with two different alleles at a locus.
This locus is heterozygous.
A heterozygous individual has both alleles.
Compound of ヘテロ (hetero-) + 接合 (junction) + 型 (type), a direct translation of the English term 'heterozygous'.