These gene polymorphisms in Changsha Han population revealed obvious racial difference comparing with those of other regions in the world in different extents.2.
这些多态位点基因型和等位基因分布频率均与世界其他地区人群的基因多态性分布存在不同程度种族差异性。
参考来源 - Endothelin家族基因SNPs及单体型分子标记与长沙汉族人群脑出血的关系研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The first is the assumption that kids don't see racial difference until we show it to them.
第一个是，在我们给孩子们指出人种间的差异之前，假设认为他们并不知道。
Traditional one-liners on racial difference, gender difference and mothers-in-law were out, to be replaced by more nuanced observation or rant.
关于种族差别、性别差别以及婆婆等传统小笑话已经过了时，取代它们的是更加细腻的评论或者说谩骂。
Conclusion There are 2 gingival morphological types of maxillary anterior tooth segment in Han Chinese. There is racial difference on gingival morphological characteristics.
结论：在中国汉族人群中上前牙牙龈形态有2种类型，牙龈形态特征存在种族差异。
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