Imprecise excision of the P{lacW}sni1 element, resulting in a deletion of genomic sequences.
Trxr1sni-2 is rescued by Scer\GAL4Act5C.PI/Trxr1B.UAS/Trxr1A.UAS
Co-expression of Trxr-1A.Scer\UAS and Trxr-1B.Scer\UAS under the control of Scer\GAL4Act5C.PI rescues the lethality of Trxr-1sni-2 flies.