Maximum intensity Z-projection from a 3D time-lapse movie of a wildtype embryo expressing H2Av::RFP (magenta) and Spd2::GFP (green) from interphase of n.c. 10 until the end of n.c. 13 (time in min:sec, scale bar 20 μm). Frame rate is 4 frames/min. In support of Fig. 1.