The results showed that a recessive sexlinked gene id existed on sex chromosomes of Taihe chicken, Gushi chicken and Langshan chicken, while a dominant repressive gene Id exixted on those of Xiaoshan chicken.

• 试验结果表明 :泰和鸡、固始鸡、狼山鸡 ( N系 ) 3个鸡种性染色体上含有隐性伴性基因 id,萧山鸡性染色体上含有显性抑制基因 Id。