Decline of genome-wide linkage disequilibrium (LD) across all maize inbreds. Mean LD decay measured as pairwise r2 between all single-nucleotide polymorphisms in the collection. The red line represents the average value while the darker gray area represents the 50% range of values and light gray 90%.
Romay et al. Genome Biology 2013 14:R55 doi:10.1186/gb-2013-14-6-r55