Figure 1
From: Polymorphisms of cytokine genes and tuberculosis in two independent studies
Linkage disequilibrium (LD) of cytokine gene SNPs in the both Han (above) and Tibetan (below) populations. LD r2 values (ranging from 0 to 1) for all pairs of SNPs are presented as percentages. Shading from white to black indicates the extent of LD measured as r2.
