Genomic fragment extending from the 5' end of egh up to a XhoI site in exon two fused an XhoI/BamHI linker fragment to a cDNA encoding the rest of the egh gene.
egh+tP2 rescues eghEY03917
egh+tP2 rescues egh7/eghcm
egh+tP2 rescues egh7
The reduced courtship index of eghEY03917 males towards wild-type virgin females is restored to wild-type levels by egh+tP2.