Figure 1
From: PGC-1alphaas modifier of onset age in Huntington disease

Schematic representation of the PGC-1alpha gene and linkage disequilibrium (r2) in the analysed HD cohort. Black boxes and a horizontal line represent exons and introns respectively. The numbers in the cells denote the r2 between the two SNPs corresponding to the cell. Cell shading indicates strength of r2 as shown by the number.