ifxeAQ3/ifxeCO3 transheterozygotes have reduced viability. Rare escapers have very distinct phenotypic abnormalities; shrivelled and smaller wings that are held out, abnormal wing veins, missing macrochaetae on the wing margin, mild notching of the margin and small and rough eyes. Semi-lethal in combination with Df(2L)el88.
Second site dominant enhancer of Nnucl.sev that increases the roughness of the eye, eye shape is smaller and flatter and eyes appear more glossy or shiny.