Df(1)e(r)27-1 removes the 5' end of the e(r) gene including the coding region of the first 35 of the 104 amino acids.
dx1, e(r)27-1 has lethal phenotype, suppressible | partially by Dp(1;3)DC109
Delta3/Dl[+], e(r)27-1 has partially lethal - majority die phenotype
Delta6B/Dl[+], e(r)27-1 has partially lethal - majority die phenotype
e(r)27-1 is an enhancer of wing margin bristle phenotype of rhd1