the average degree of gene heterozygosity is the highest for Angora goat and the lowest for Jianchang black goat,and the middle for F 3; the genetic similarity coefficient is greater between F 3 and Angora goat,and their genetic distance is small;

• 平均基因杂合度安哥拉山羊最高 ,F3次之 ,建昌黑山羊最低 ,F3与安哥拉山羊的遗传相似系数大 ,遗传距离小 ;