UASt regulatory sequences drive expression of a 500bp inverted repeat.
sex comb | ectopic, with Scer\GAL4dpp.PU
Expression of calypsoNIG.8445R under the control of Scer\GAL4bbg-C96 does not result in a wing phenotype.
Expression of calypsoNIG.8445R under the control of Scer\GAL4dpp.PU results in males with extra sex combs on all legs.