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接触与混合——从Y染色体的角度看东乡人群及其语言的关系

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  • 1. 兰州大学基础医学院遗传学研究所, 兰州 730000 2. 法国国立东方语言研究学院/法兰西大学研究院, 巴黎 75013 3. 甘肃政法学院, 甘肃省证据科学技术研究与应用重点实验室, 兰州 730070

收稿日期: 2012-10-25

  修回日期: 2013-01-04

  网络出版日期: 2013-06-25

基金资助

法国ANR(The French National Research Agency)项目(编号:ANR-12-BSH2-0004-01)资助

Contact and admixture—the relationship between Dongxiang population and their language viewed from Y chromosomes

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  • 1. Institute of Medical Genetics, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China 2. Institut National des Langues et Civilisations Orientales, Centre de Recherches de Linguistique d'Asie Orientale, Institut Universitaire de France, 65 rue des Grands Moulins, Paris 75013, France 3. Key Laboratory of Evidence Science of Gansu Province, Gansu Institute of Political Science and Law, Lanzhou 730070, China

Received date: 2012-10-25

  Revised date: 2013-01-04

  Online published: 2013-06-25

摘要

东乡族是甘肃省特有的少数民族, 语言上隶属于阿尔泰语系蒙古语族, 其族源至今尚不明确。文章根据东乡人群和其他参考人群的Y 染色体单倍群数据所绘制的多维尺度分析图、树型聚类图、主成分分析图以及网络结构图分析结果显示, 东乡人在遗传结构上更靠近中亚族群, 而与蒙古人群距离甚远。通过计算汉藏人群、蒙古人群和中亚人群对东乡人群的遗传贡献率, 进一步证实了这种差距。据此, 本文认为:中国西北地区的东乡人群的父系遗传成分主要源于中亚地区操突厥语及波斯语的人群, 而非蒙古族。东乡族的这种父系遗传来源与其语言分类上的不匹配, 可以用精英主导模型来进行解释, 他们的祖先应该是被蒙古族在语言、文化上同化了的中亚人群。

本文引用格式

文少卿 谢小冬 徐丹 . 接触与混合——从Y染色体的角度看东乡人群及其语言的关系[J]. 遗传, 2013 , 35(6) : 761 -770 . DOI: 10.3724/SP.J.1005.2013.00761

Abstract

Dongxiang is one of special ethnic groups of Gansu Province. Their language is one of the Mongolian languages of Altai language family. And their origin has long been controversial. The results of Cluster analyses (multidimensional scaling analysis, dendrograms, principal component analyses, and networks) of Dongxiang population and other ethnic groups indicated that Dongxiang people is much closer to the Central Asian ethnic groups than to the other Mongolian. Admixture analyses also confirmed the result. This suggests that Dongxiang people did not descend from Mongolian, but from the Central Asian ethnic groups that have spoken Persian or Turkic language. This mismatch between paternal genetic lineage and language classification might be explained by the elite-dominance model. The ancestral populations of Dongxiang could be the Central Asian ethnic groups assimilated by Mongolian in language and culture.

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