homozygosity

homozygosity (usually uncountable, plural homozygosities)

1. The condition of being homozygous.
   • 2024 March 18, Sarah Zhang, “DNA Tests Are Uncovering the True Prevalence of Incest”, in The Atlantic‎:

     It depends on whether those runs of homozygosity contain recessive disease-causing mutations. All of us have some of these runs in our DNA—usually less than 1 percent of the genome in Western populations, higher in cultures where cousin marriage is common.

• heterozygosity
• homozygous
• zygosity