UAS regulatory sequences drive expression of gsb.
neuroblast NB6-4 | ectopic, with Scer\GAL4en-e16E
neuroblast NB7-3, with Scer\GAL4en-e16E
Expression of gsbScer\UAS.cDa under the control of Scer\GAL4en-e16E results in a replacement of NB 7-3 by an ectopic NB 6-4 in 52% of hemisegments.