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禽类性别及性别控制的研究进展

作  者:
喻传洲;余梅;龙良启
单  位:
华中农业大学畜牧兽医系
关键词:
禽类;性决定;性分化;性别控制
摘  要:
禽类的性决定、性分化和性别控制方面的研究现状表明:禽类的性决定机制尚不十分清楚。除了公认的性染色体理论,还有常染色体/Z染色体平衡理论的争论。但性别最终由基因决定,在禽类尚未发现象Y染色体上的SRY片段。作者提出了“Z染色体上的性别基因可能以剂量效应来决定性别”的设想。禽类性别的有效控制将取决于对其性决定、性分化本质的了解。
译  名:
STUDIES ON SEX AND SEX CONTROL OF FOWLS
作  者:
Yu Chuanzhou;Yu Mei;Long Liangqi(Huazhong Agricultural University, Wuhan 430070)
关键词:
fowls; sex determination: sex differentiation; sex control
摘  要:
The present studies on sex determination, differentiation, and control in fowls show that the mechanism of sex determination in fowls is not completely clear.There is argument about the autosome/Z chromosome balance theory in addition to the sex chromosome theory which was universally accepted.But the sex is determined by gene ultimatly. It has not been found any sex-determining gene in fowls like SRY in mammals.The authors proposed an assumption that the sex-determining gene in Z chromosome might determine sex by means of dosage effect.The effective sex control of fowls will. depend on the knowledge about the nature of their sex determination and sex differentiation.
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