《英文msh词典》Determinations,Sex (Genetics)
[入口词] Determinations,Sex (Genetics)
[主题词] Sex Determination (Genetics)
[英文释义] The mechanism in a given species,by which the SEX of an individual is fixed. In many species,sex is established at FERTILIZATION by the SPERM that fertilizes the EGG. In human,the Y CHROMOSOME bearing sperm determine production of the male ZYGOTE.