Perils and pitfalls of permutation tests for distinguishing the effects of neighbouring polymorphisms.

Abstract excerpt

In a small region several marker loci may be associated with a trait, either because they directly influence the trait or because they are in linkage disequilibrium (LD) with a causal variant. Having established a potentially causal effect at a primary variant, we may ask if any other variants in the region appear to further contribute to the trait, indicating that the additional variant is either causal or is in...

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