All but the N terminal BTB/POZ domain and the zinc finger domains have been deleted.
dorsal mesothoracic disc & sensory mother cell, with Scer\GAL4Bx-MS1096
When ttk69.BTB-ZF.Scer\UAS is driven by Scer\GAL4Bx-MS1096, the dorsal chemosensory bristles in the triple row are completely absent. The number of mechanosensory ventral triple row bristles is slightly reduced to about 25 (compared to ~ 94). The number of sensory organ precursors is slightly reduced in the wing disc.