heterozygosis

noun het·ero·zy·go·sis \-(ˌ)zī-ˈgō-səs\

Definition of HETEROZYGOSIS

New Latin

First Known Use: 1902

Medical Dictionary

noun het·ero·zy·go·sis \ˌhet-ə-rō-(ˌ)zī-ˈgō-səs\

plural het·ero·zy·go·ses \-ˌsēz\

: a union of genetically dissimilar gametes forming a heterozygote

Next Word in the Dictionary: heterozygosityPrevious Word in the Dictionary: heterozetesisAll Words Near: heterozygosis

What made you want to look up heterozygosis? Please tell us where you read or heard it (including the quote, if possible).

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears