Based on his research on the Y chromosome, geneticist Chris Tyler-Smith of the UK's Wellcome Trust Sanger Institute has deduced that roughly 1.5 million people in north China and Mongolia are the descendants of the same man.
英國休斯敦桑格爾中心的史密斯博士，針對 Y 染色體的研究，推斷中國北部和蒙古約有 150 萬人是同一個男子的後代。