Displacement along the anterior-posterior axis of apical or basal edges of clones located in AC to MF transition zone over time for indicated genotypes. Mean and SEM are shown. n= 5 clones in 5 eye discs for control; n= 4 clones in 4 eye discs for Src42Ads-RNA. n= 12 clones in 5 eye discs for control with basal activation. n= 13 clones in 5 eye discs for paRacT17N. For t = 160 min: control vs. Src42Ads-RNA p< 0.05 (basal), p< 0.05 (apical); control vs. paRacT17N p< 0.001 (basal), p< 0.05 (apical) (t test).