How to interpret a genome-wide association study : Genetic Future

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Daniel MacArthur
I write about the genetic and evolutionary basis of human variation, and the companies trying to sell you information about your genome.

Daniel also blogs about personal genomics at Genomes Unzipped.

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How to interpret a genome-wide association study

Category: genome-wide association studies • genomes unzipped
Posted on: July 19, 2010 12:30 PM, by Daniel MacArthur

Every issue of Nature Genetics is packed full of them, and they're the basis for the risk predictions offered by every personal genomics company - but how do you make sense of a genome-wide association study? How can you tell the difference between results you can trust and those you should treat with caution?

Over at Genomes Unzipped, Jeff Barrett (who's authored more GWAS than most) explains some of the key features of these studies, and what to keep an eye out for when interpreting their results.