中国人姓氏群体遗传I.姓氏频率分布与人群遗传分化

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分析了明朝中国人姓氏分布特征和1000年中影响姓氏分布的因数.通过对1000年来3个不同历史时期的α和v值的分析,较为清楚地看到了中国人姓氏分布的规律,中国普遍存在同姓人群,尤其在中原地区相对隔离的同源Y染色体的群体(同姓人群)种类不同于其他地区,特别是比南方地区相对要多,姓氏种类也多.假设每一种同姓人群携带某一种特定类型的Y-DNA单倍型,那么,姓氏分布的特征可能提示在中国姓氏起源的中心--中原地区的省份中应存在着较为丰富的Y-染色体单倍型类型.利用首次获得的预测中国人姓氏种类的公式,估计当今正在使用的汉族姓氏为3100余种.
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