UAS regulatory sequences drive expression of an N-terminal fragment of oc which contains the homeodomain but lacks the AB and C regions.
ocΔABC.UAS/Scer\GAL4oc.1.6 partially rescues ocuvi
Expression of ocΔABC.Scer\UAS under the control of Scer\GAL4oc.1.6 partially rescues rhabdomere elongation and ommatidial organisation in ocuvi flies.