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鄂尔多斯蒙古族、汉族5项遗传学指标研究 被引量:13

Investigation on 5 Genetic Indexes of Mongolian and Han Nationalities from Erdos of Inner Mongolia
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摘要 调查了内蒙古鄂尔多斯蒙古族(508例)、汉族(461例)人的5项头面部形态特征.5项指标是鼻梁侧面观、鼻孔形状、下颏突出度、额头发际、头发形状.调查显示:(1)这两个人群多为非凸型鼻梁、宽型鼻孔、非突型下颏、直发,额头发际有尖率与无尖率接近.(2)在内蒙古诸人群中,这两个人群凸鼻梁率低、宽型鼻孔率高、突型下颏率低、额头发际有尖率高、直发率低.(3)5项指标彼此多不相关,仅鼻梁类型与鼻孔形状相关,鼻梁类型与下颏类型相关. 5 morphological traits on face of 508 cases of Mongolian and 461 cases of Han from Erdos of Inner Mongolia were investigated. The 5 indexes are nasal profile, nostril form, chin projection, hair point of the forehead and hair form. The results showed that: (1) Majority of individuals of these two populations are nonumbonate nasal profile, wide nostril, nonprojected chin and straight hair. The rate of hair point of forehead with tip is the same as that of hair point of forehead without tip. (2) In these two populations, the rates of umbonate nasal profile, projected chin and straight hair are low, whereas that of wide nostril and hair point of forehead with tip are high. (3) In most cases, these 5 indexes are not relative between each other except nasal profile and nostril form, nasal profile and chin projection.
出处 《天津师范大学学报(自然科学版)》 CAS 2003年第2期19-22,共4页 Journal of Tianjin Normal University:Natural Science Edition
基金 国家自然科学基金资助项目(39660032)
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