Figure 5
From: Fractionation statistics

Single copy runs in 15 WGD descendants Distribution of length of run of single copy genes in 15 genomes descended from WGD events. Zero length indicates adjacent pairs of paralogs (i.e., not single-copy). Coloured boxes contain genomes descended from the same event. Frequencies of zero-length runs are not considered in the fitting by the geometric distributions shown. From [3].