Medical Definition of Heterogametic sex
1.
The gender which has two different sex chromosomes.
For example: In humans, the male is heterogametic because he is XY (has an X chromosome and a Y chromosome).
In birds, the female is heterogametic because she is WZ (has a W chromosome and a Z chromosome).
Compare: homogametic sex.
(09 Oct 1997)
Lexicographical Neighbors of Heterogametic Sex
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