Methods The polymorphisms of DYS287 locus in male 105 Tibetans(41 in Lhasa and Individuals Nagqu)were analyzed by PCR and agarose gel electrophoresis.

• 方法利用PCR结合琼脂糖凝胶电泳检测方法对105例藏族男性样本(其中拉萨41例,那曲64例)DYS287位点多态性进行分析。