A P{EP} element insertion situated upstream of boi P{EP}. The Scer\GAL4-activated transcription from P{EP}boiEP1447 is directed toward the boi coding region.
visible, with Scer\GAL4ap-md544
wing vein | ectopic, with Scer\GAL4ap-md544
Scer\GAL4ap-md544-driven expression of boiEP1447 results in ectopic wing veins.
The presence of boiC1 in cis with boiEP1447 suppresses the ectopic wing veins caused by expression of boiEP1447 under the control of Scer\GAL4ap-md544.