Fig. 1. Dup rapidly declines at G₁/S in the eye disc. Synchronized cell cycles of the eye morphogenetic furrow (MF) in a third instar larva are indicated above (posterior to the right). (A) Dup antibody labeling (red), BrdU (green). (B) Cyclin E (red) and Dup (green) (overlap appears yellow). (C) Cyclin B (red) Dup (green). Images are composites of confocal sections. Scale bar: 10 µm (A-C).