3C;3C;35B1-35B2
FBw<up>+ rst+</up>; 6 polytene bands
z1 w11E4 ; Tp(1;2)TE35B-GR2/Tp(1;2)TE35B flies have zeste eyes with a posterior red crescent.
z1 w11E4 ; Tp(1;2)TE35B-GR2/+ flies have red eyes.
homozygous viable Eye color on a w- background genotype: red, not suppressed by z1
All limits from polytene analysis (citation unavailable)