Cumulative distribution of tDNA pairs distances. Measured data are shown in red, random expectation from randomly placed tDNAs are shown as gray background. At a distance of 1000 nt the vast majority of clusters cannot be explained by the random background.
Bermudez-Santana et al. BMC Genomics 2010 11:270 doi:10.1186/1471-2164-11-270