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本文报告了广西壮族三个组群居民的ＡＢＯ血型及ＭＮ血型的调查结果。资料分析表明这些位于地理位置较封闭地区的壮族唇民处于一种遗传平衡状态，与周围其他民族混血程度较轻。本文还通过壮族三个组群这两种血型分布特点讨论了他们与其他地区民族的遗传关系。己有的研究表明，血型的分布具有种族特征及地理特征。血型在不同种族及同一族种的不同群体中有一定的差异。壮族的血型分布虽然已有过调查报告（陈俊杰等，１９６５；血型调查组，１９８０年），①、②、③但是自秦汉以来历代都鼓励壮族与汉族通婚，因此一般相信壮族是一个与汉族高度混血的群体。不过，广西区民族研究所的壮族史专家认为，在广西不同地区壮汉混血程度是轻重不同的，在比较封闭的地区壮汉混血程度就比较轻。据此，为进一步了解壮汉混血程度较轻的壮族群体的血型分布特征，我们得到了广西区民委及广西中医学院的资助，并在有关方面专家的指导下，对广西区境内部分较为封闭地区的壮族群体进行了ＡＢＯ血型及ＭＮ血型的调查。
This article reports the survey results of ABO blood group and MN blood group among residents in three groups in Guangxi Zhuang Autonomous Region. Data analysis shows that these Zhuang and Lomo peoples living in more geographically isolated areas are in a state of genetic balance and have a lesser degree of confusion with other ethnic groups around them. This article also through the three groups of Zhuang three types of blood distribution characteristics of the discussion of their genetic relationship with other ethnic groups. Some studies have shown that the distribution of blood type has racial and geographical features. Blood type in different races and different groups of the same species have some differences. Although Zhuang ethnicity has been surveyed (Chen Junjie et al., 1965; Blood Type Investigation Group, 1980), ①, ②, ③, since Zhuang and Han dynasties were encouraged to marry through generations, it is generally believed that Zhuang is a Mixed groups. However, Guangxi Zhuang nationality Institute of ethnic history experts believe that in different regions of Guangxi mixed degree of brawls are different severity, relatively closed area brawny mixed degree is relatively light. Accordingly, in order to know more about the blood type distribution characteristics of the Zhuang nationality with a lesser degree of mixed race, we got the subsidies from the Guangxi Zhuang Autonomous Region People’s Committee and Guangxi College of Traditional Chinese Medicine and, under the guidance of the relevant experts, closed some parts of the Guangxi Zhuang Autonomous Region Zhuang ethnic groups in the region conducted a survey of ABO blood group and MN blood group.