Linkage Disequilibrium for HLA-A and HLA-B Alleles

Proof of concept for showing linkage disequilibrium for HLA-A and HLA-B alleles in the NMDP Asian/Pacific Islander Population.
The area of the black circle represents the combined frequency of A and B expected, and blue represents the frequency observed.
Hover mouse over circles for observed/expected (on a per 1,000,000 basis). By Tait Stevens.