1-hour Edu incorporation (95–96 hfp) of unaffected siblings (A,C) and m1045 mutant embryos (B,D) in the transgenic ptf1∶GFP,ins:dsred background. Confocal projections of 4 dpf embryos of the pancreatic region (A,B) (lateral view) and of the head region (ventral view). Scale bars A,B 50 µm; C,D 100 µm. CMZ: ciliary marginal zone.