Fig. 7. Schematic representation of cell cycle phases and expression pattern of the CycE, Dap and Ttk proteins in the bristle cell lineage. The bristle lineage is represented by an arborisation where cell cycle phases are shown in different colours (see code). The length of each colour bar is proportional to the duration of each phase. The expression pattern of CycE, Dap and Ttk are represented by horizontal bars above or below the lineage branches. The cross over the glial cell indicates that this cell enters apoptosis. Time scale in hours APF.