P{AyGAL4}25 from which the y gene, the second Scer\FRT and the Scer\GAL4 gene have been deleted by imprecise excision, leaving the w gene, the first Scer\FRT and the Act5C promoter intact.
P{AyGAL4}25 from which the y gene, the second Scer\FRT and the Scer\GAL4 gene have been deleted by imprecise excision, leaving the w gene, the first Scer\FRT and the Act5C promoter intact.