Abstract
Although studies suggest that SNPs derived from HapMap provide promising coverage and power for association studies, the lack of alternative variation datasets limits independent analysis. Using near-complete variation data for 76 genes resequenced in HapMap samples, we find that coverage of common variation by commercial genotyping arrays is substantially lower compared to the HapMap-based estimates. We quantify the power offered by these arrays for a range of disease models.
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Acknowledgements
The authors thank the past and present members of the SeattleSNPs team for their efforts in variation identification. This work was supported by grants from the US National Institute of Health (HL66682 and HL66642 to D.A.N. and M.J.R.).
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Bhangale, T., Rieder, M. & Nickerson, D. Estimating coverage and power for genetic association studies using near-complete variation data. Nat Genet 40, 841–843 (2008). https://doi.org/10.1038/ng.180
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DOI: https://doi.org/10.1038/ng.180
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