《英文msh词典》Chromosome,Sex
[入口词] Chromosome,Sex
[主题词] Sex Chromosomes
[英文释义] 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)