Increased frequency of genome rearrangements in flies lacking DmBlm is independent of classical non-homologous end joining. (a) Somatic mutation frequencies in 28-day-old flies, grouped by sex. Each bar represents four to six independent measurements. Error bars represent standard deviations. *P < 0.05, ***P < 0.001 compared to wild type (one-way ANOVA). (b) Somatic mutation frequencies that involved either a size change or no size change, grouped by sex.