One copy of Df(3R)85D8-12;85E7-F1 is unable to suppress position effect variegation (PEV) at the w locus caused by In(1)wm4.
One copy of Df(3R)85D8-12;85E7-F1 weakly suppresses the telomeric position effect (TPE) in stocks carrying a variegating P{hsp26-pt-T}39C-5 insertion at the telomere of the left arm of chromosome two.