Contained within a 20.1kb genomic fragment.
wild-type
gsb+t20.1 can fully rescue the gsb cuticular phenotype, in the absence of gsb.
gsb+t20.1 rescues gsb01155
gsb+t20.1 rescues gsb525
gsb+t20.1 rescues Df(2R)gsb/Df(2R)Kr10