Construct: Three copies of the sev enhancer and the sev promoter drive expression of wild-type Rac1.
Rac1hs.sev is a suppressor of eye phenotype of dsh1
Rac1hs.sev is a suppressor of ommatidium phenotype of dsh1
The presence of Rac1hs.sev significantly rescues the dsh1 eye phenotype, increasing the percentage of correctly polarised ommatidia.