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基因型填补的原理与方法及其在遗传流行病学研究中的应用

Genotype imputation: principle, methods and application in studies on genetic epidemiology
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摘要 基因型填补(genotype impumtion)是指依据已分型位点的基因型对数据缺失位点或未分型位点进行基因型预测的方法。在全基因组关联研究(genome-wide association study,GWAS)中,基因芯片分型的位点大约为10万~100万个。芯片的分型缺失率较高,一定程度上降低了芯片的密度。
出处 《中华流行病学杂志》 CAS CSCD 北大核心 2010年第6期702-706,共5页 Chinese Journal of Epidemiology
关键词 基因型填补 遗传流行病学 全基因组关联研究 Genotype imputation Genetic epidemiology Genome-wide association study
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