| 一种新的分子遗传相似度计算方法 |
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| 引用本文： | 高会江,杨运清,潘玉春GAO Hui-jiang,YANG Yun-qing,PAN Yu-chun. 一种新的分子遗传相似度计算方法[J]. 遗传, 2001, 23(5): 455-653 |
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| 作者姓名： | 高会江 杨运清 潘玉春GAO Hui-jiang YANG Yun-qing PAN Yu-chun |
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| 作者单位： | 东北农业大学动物科技学院哈尔滨 150030Northeast Agriculture University,Harbin 150030,China |
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| 摘 要： | 指出了Nei氏遗传相似度仅仅是用来描述两个二进制变量差异或相似程度的一种距离系数或相似系数,与个体间亲缘程度没有必然联系.根据亲缘系数的定义,提出新的遗传相似度计算公式即rA(x,y)=(2N2xy)/(NxNy)或rA(x,y)=(N2xy)/(NxNy).并通过实例验证了该公式可用于判断个体间亲缘程度方面。Abstract:Nei's genetic similarity was only described as a kind of distance coefficient for binary system variables and it have not positive connection with the relationship between individuals.According to the definition of the relationship coefficient,a new formula which is about genetic similarity is put forward as following:rA(x,y)= It is verified by an example that this formula can be used to judge the relationship between individuals.
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| 关 键 词： | genetic similarity 验证 Key words 遗传相似度 亲缘系数 relationship coefficient |
A New Method for Calculating Molecular Genetic Similarity |
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| GAO Hui-jiang,YANG Yun-qing,PAN Yu-chun. A New Method for Calculating Molecular Genetic Similarity[J]. Hereditas, 2001, 23(5): 455-653 |
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| Authors: | GAO Hui-jiang YANG Yun-qing PAN Yu-chun |
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