Genomic features with significant differences in their distributions between Alu insert-containing versus insert-free windows.

a<p>: Testing the hypothesis that Alu insert-containing windows have a right-tailed distribution compared with insert-free windows.</p>b<p>: Most conserved elements density as defined in <a href="http://www.plosgenetics.org/article/info:doi/10.1371/journal.pgen.1002842#pgen.1002842-Siepel1" target="_blank">[46]</a>.</p>c<p>: The frequency of the CCNCCNTNNCCNC motif associated with crossover events at recombination hotspots. They cluster at non-allelic homologous recombination (NAHR) breakpoints and mitochondrial deletion hot spots <a href="http://www.plosgenetics.org/article/info:doi/10.1371/journal.pgen.1002842#pgen.1002842-Myers1" target="_blank">[50]</a>.</p>