photoreceptor cell R7
photoreceptor cell R8
Photoreceptors R7 and R8 are preserved in approximately 60% of ommatidia in 7 day old mutant flies.
Alleles can be ranked with respect to how much R7 and R8 are affected in each mutant; rdgA1 = rdgA2 > rdgA4 > rdgA3.
Alleles can be ranked with respect to how much R7 and R8 are affected in each mutant; rdgA1 = rdgA2 > rdgA4 > rdgA3.