Fig. 6. Apoptosis in pim mutants. Embryos before (A,B) or after (C,D) progression through mitosis 16 in the dorsolateral epidermis were labeled with a DNA stain (red) and analyzed by TUNEL (green) for the presence of apoptotic cells. pim1 mutant embryos (B,D) do not have more apoptotic cells than the pim+ sibling embryos (A,C), at least before mitosis 16. Bar, 50 µm.