noun
the state of being homozygous; having two identical alleles of the same gene
• Ant: ↑heterozygosity
• Derivationally related forms: ↑homozygous
• Hypernyms: ↑state
* * *
\\“+\ noun (-es) : the quality or state of being a homozygote — compare heterozygosity
Useful english dictionary. 2012.