visible
eye
ommatidium
Eyes like S1, perhaps more variable. RK1A.
astrv1/SM flies have eyes which are slightly less rough than those of SM/+ flies. SM/astrv2 overlaps wild-type.
SM has phenotype, suppressible by astrv1
Muller, 1928.
Induced on: In(2L)Cy + In(2R)Cy.