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RISS 인기검색어
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- 저자 : Alfisi, Steven V. (검색결과 1 건)
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High-density single-nucleotide polymorphism maps of the human genome
Miller, Raymond D.,Phillips, Michael S.,Jo, Inho,Donaldson, Miriam A.,Studebaker, Joel F.,Addleman, Nicholas,Alfisi, Steven V.,Ankener, Wendy M.,Bhatti, Hamid A.,Callahan, Chad E.,Carey, Benjamin J.,C Elsevier 2005 Genomics Vol.86 No.2
<P><B>Abstract</B></P><P>Here we report a large, extensively characterized set of single-nucleotide polymorphisms (SNPs) covering the human genome. We determined the allele frequencies of 55,018 SNPs in African Americans, Asians (Japanese–Chinese), and European Americans as part of The SNP Consortium's Allele Frequency Project. A subset of 8333 SNPs was also characterized in Koreans. Because these SNPs were ascertained in the same way, the data set is particularly useful for modeling. Our results document that much genetic variation is shared among populations. For autosomes, some 44% of these SNPs have a minor allele frequency ≥10% in each population, and the average allele frequency differences between populations with different continental origins are less than 19%. However, the several percentage point allele frequency differences among the closely related Korean, Japanese, and Chinese populations suggest caution in using mixtures of well-established populations for case–control genetic studies of complex traits. We estimate that ∼7% of these SNPs are private SNPs with minor allele frequencies <1%. A useful set of characterized SNPs with large allele frequency differences between populations (>60%) can be used for admixture studies. High-density maps of high-quality, characterized SNPs produced by this project are freely available.</P>
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