zygosity


zy·gos·i·ty

noun \zī-ˈgä-sə-tē\

Definition of ZYGOSITY

:  the makeup or characteristics of a particular zygote; also :  the genetic relationship between offspring of a single birth especially in regard to being derived from the same or different zygotes

Origin of ZYGOSITY

probably from -zygous
First Known Use: 1946

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