all 245 unrelated individuals for each SNP), the number of no-calls for tsc0546488, tsc1018661, tsc0039689, and tsc0280570 are 51, 25, 18, and 28. For the first 3 SNPs all of the no-calls were for genotypes called heterozygous in the Illumina platform; for the fourth SNP, all of the no-calls were for genotypes called 1/1 by Illumina. Accordingly, it is the nonrandomness of the no-calls that leads to the departure from HWE for these 4 Affymetrix SNPs.
