Dictionary

zygosity

noun zy·gos·i·ty \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

zygosity

noun zy·gos·i·ty \zī-ˈgäs-ət-ē\   (Medical Dictionary)
plural zy·gos·i·ties

Medical Definition of ZYGOSITY

:  the makeup or characteristics of a particular zygote

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