Homozygous clones in the imaginal disc appear to be roughly equal in size to their twin spots, indicating that simj is not essential for cell viability or cell growth.
simj[+]/simj10 is an enhancer of interommatidial bristle phenotype of wgts.sev
simj7/simj10 is partially rescued by simjUAS.cKa/Scer\GAL4arm.PS
Selected as: a dominant modifier of the eye bristle phenotype of wgts.sev.
Order of alleles (from weak to strong) is: simj16, simj7, simjL, simjS, simjH, simjJ = simj10 = simjA = Df(3L)lxd6.