Insertion of a P{GS} element at -63bp (relative to the transcription start site).
Flies expressing P{GS}Fas2GS1069 under the control of Scer\GAL429BD show semi-lethality and have spread wings. Flies expressing P{GS}Fas2GS1069 under the control of Scer\GAL4hs.2sev have rough eyes. Flies expressing P{GS}Fas2GS1069 under the control of Scer\GAL4dpp.blk1 have a shortened anterior crossvein.