The sc basic helix-loop-helix (bHLH) domain is expressed under the control of UAS regulatory sequences.
visible, with Scer\GAL4hs.PB
external sensory organ | ectopic, with Scer\GAL4hs.PB
Produces ectopic external sensory organs but not ectopic chordotonal organs in the wing, when expressed using Scer\GAL4hs.PB.