Tag Archives: KIR2DS4

Author post: A hybrid SNP/qPCR approach for large scale association testing in KIR

SNP arrays are a great way of cheaply genotyping a large number of individuals for genome-wide association studies.

This is what you expect a typical SNP to look like:


There are three clearly distinguishable clusters representing the three possible genotypes at that locus (TT, TC and CC).

But some SNPs look like this:


What is going on here?

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