Hsp70Bb promoter sequences drive expression of a wild-type eye.
eyaHsp70Bb.PL rescues eya2
Inducible expression of eyaHsp70Bb.PL from egg to pupa under the control of both Scer\GAL4hs.PB and Scer\GAL80ts.αTub84B rescues the eyes absent phenotype of eya2 mutants.