Jrafl.hs.sev.T:Ivir\HA1 has no phenotypic effect alone, nor on cell fate transformations caused by sevS11.T:Hsap\MYC, phl::tor12D.hs.sev or Ras85DV12.sev. Jrafl.hs.sev.T:Ivir\HA1 prevents the suppression of the rough eye phenotype of sevS11.T:Hsap\MYC by JrabZIP.hs.sev.T:Ivir\HA1. sev-, sev::tor12D.hs.sev flies, also carrying Jrafl.hs.sev.T:Ivir\HA1, show a cone cell to R7 transformation.