For primer 1,AA genotype was detected in four sheep populations,AB genotype was detected in Small Tailed Han,Suffolk and Dorset sheep,BB genotype was only detected in Dorset sheep.

• 对于引物1,4个绵羊群体均检测到AA基因型,AB基因型只出现在小尾寒羊、多赛特羊和萨福克羊中,仅在多赛特羊中检测到BB基因型。