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Brief Communication: Two-Rooted Lower Canines-A European Trait and Sensitive Indicator of Admixture Across Eurasia

文献类型：期刊论文

作者Lee, Christine1; Scott, G. Richard2; Christinelee70@gmail.com
刊名AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY
出版日期2011-11-01
卷号146期号:3页码:481-485
关键词Dental Morphology Two-rooted Lower Canines East Asia Migration
ISSN号0002-9483
文献子类Article
英文摘要With the exception of Carabelli's trait, the European dentition is better known for the morphological traits that it does not exhibit rather than the ones that it does. One root trait, however, runs counter to the characterization of reduced and simplified European crowns and roots. Although a rare trait in general, two-rooted lower canines are much more common in Europeans than in any other regional grouping and, given adequate sample sizes, can be useful in evaluating gene flow between Europeans and neighboring groups. In European samples, two-rooted lower canines consistently exhibit frequencies of 5-8%. In our sample from northern Spain, the trait attains a frequency of almost 10%. In contrast, in Sub-Saharan Africans the trait is virtually unknown while in Asian and Asian-derived populations, it varies between 0.0 and 1.0%. Here we show that two-rooted canine frequencies for new migrants along the western frontiers of China and Mongolia ranged from 0-4%. These data suggest European-derived populations migrated into western China (Xinjiang Province) and Mongolia (Bayan Olgii Aimag) sometime during the late Bronze age (1000-400 BCE). Am J Phys Anthropol 146:481-485, 2011. (C) 2011 Wiley-Liss, Inc.
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WOS关键词TARIM BASIN ; POPULATION
WOS研究方向Anthropology ; Evolutionary Biology
语种英语
WOS记录号WOS:000296384500016
公开日期2013-11-27
源URL[http://119.78.100.205/handle/311034/4376]  
专题古脊椎动物与古人类研究所_图书馆1
通讯作者Christinelee70@gmail.com
作者单位1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China
2.Univ Nevada, Dept Anthropol, Reno, NV 89557 USA
推荐引用方式
GB/T 7714		 Lee, Christine,Scott, G. Richard,Christinelee70@gmail.com. Brief Communication: Two-Rooted Lower Canines-A European Trait and Sensitive Indicator of Admixture Across Eurasia[J]. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY,2011,146(3):481-485.
APA Lee, Christine,Scott, G. Richard,&Christinelee70@gmail.com.(2011).Brief Communication: Two-Rooted Lower Canines-A European Trait and Sensitive Indicator of Admixture Across Eurasia.AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY,146(3),481-485.
MLA Lee, Christine,et al."Brief Communication: Two-Rooted Lower Canines-A European Trait and Sensitive Indicator of Admixture Across Eurasia".AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 146.3(2011):481-485.

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来源：古脊椎动物与古人类研究所

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