Figure 4

The Fab-6 HS2 cooperates with HS1 to reconstitute a fully functional boundary. On the top: schematic diagram of the Fab-6 region, the F61+2attP deletion and the different DNA fragments tested for boundary activity. Morphology of the male abdominal segments in males carrying different Fab-6 fragments in F61+2attP. All other designations are the same as described in Figs. 1 and 2.