UAS regulatory sequences drive expression of a mutant form of abd-A which lacks the entire C-terminal tail. The protein is tagged with Tag:MYC.
Only 11% of larvae co-expressing abd-AΔC197.Scer\UAS.T:Hsap\MYC and AntpScer\UAS.cMa under the control of Scer\GAL4arm.PS show transformation of the T1 segment towards an A2 fate.