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heterogametic sex

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
heterogametic sex [¦hed·ə·rō·gə′med·ik ′seks]
(genetics)
That sex of some species which produces two or more different kinds of gametes that differ in their sex chromosome content.


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japonicus and implied that the female may be the heterogametic sex in this species, search for sex-specific markers with AFLP and SAMPL loci in current study has failed to detect any putative markers, despite extensive screening with 25 AFLP and 16 SAMPL primer pairs (2,110 bands in total were generated).
The genetically male tadpoles were produced from crossings between males (ZZ) of one local population, in which females are the heterogametic sex, and females (XX) of another local population, in which males are the heterogametic sex.
 
 
 
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