Objective: To study the origin of Sichuan Yi ethnic group according to human leukocyte antigen(HLA)-B gene frequency.
目的：根据人类白细胞抗原（HLA）-B基因频率，探讨四川彝族的民族起源。
The Han, Tibetan Yi, Qiang Lisu and other nationalities in Sichuan maintain different cultures and customs, which provide the inexhaustible source of folk songs and dances.
生活在四川的汉、藏、彝、羌、傈僳等十几个民族，各有不同的文化和风俗，成为巴蜀歌舞取之不尽，用之不竭的创作源泉。
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