Sex Chromosomes D012730

Anatomy [A] » Cells [A11] » Cellular Structures » Chromosomes » Sex Chromosomes

Phenomena and Processes [G] » Genetic Phenomena [G05] » Genetic Structures » Chromosomes » Sex Chromosomes

Description

The homologous chromosomes that are dissimilar in the heterogametic sex. There are the X CHROMOSOME, the Y CHROMOSOME, and the W, Z chromosomes (in animals in which the female is the heterogametic sex (the silkworm moth Bombyx mori, for example)). In such cases the W chromosome is the female-determining and the male is ZZ. (From King & Stansfield, A Dictionary of Genetics, 4th ed)   MeSH

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