ommatidium (with aoppok-x8)
pigment cell (with aoppok-x8)
aop[+]/aop2 is an enhancer of ommatidium phenotype of EgfrE1
aop2 is a suppressor of photoreceptor cell R7 phenotype of SosJC2, sev6
Has no effect on the eye phenotype produced by activated arm constructs. (either armS44Y.GMR or armS56F.GMR).