Evidence of historical recombination among E. histolytica. The proportion of 100,000 randomly sampled pairs of polymorphic sites showing 4 haplotypes calculated for 100 distance intervals, plotted against the median distance for each interval. The positive correlation is highly significant, Spearman's rho = 0.83 (P < 2.2 × 10-16).
Weedall et al. Genome Biology 2012 13:R38 doi:10.1186/gb-2012-13-5-r38