Abstract:

Abstract: The genetic structure and genetic variation of 9 sheep population were analyzed by microsatellite marked method. A total of 137 alleles were detected, and the number of alleles varied from 7 to 23 and the number of effective alleles from 2.220 to 6.054.The average polymorphism information content varied from 0.473 to 0.746 ,and the average heterozygosity ranged from 0.513 to 0.782 respectively. Using Nei’s genetic distance and the UPGMA and the NJ method, 9 sheep population were classified into two categories.The clustering dendrograph drawn can reflected the geography distribution,the feature of genetic differentiation and genetic relationship among the 9 sheep population.