Expression of B0699B0699 under the control of Scer\GAL4dpp.blk1 generally results in early pupal lethality. Leg truncations, a lack of claws and a deformed arista are seen in escapers.
Flies expressing B0699B0699 under the control of Scer\GAL4dpp.blk1 have deformed legs, with truncated tarsi and no claws.