hypomorphic allele - genetic evidence
Imprecise excision of the P{lacW} insertion.
photoreceptor cell R1
photoreceptor cell R2
photoreceptor cell R3
photoreceptor cell R4
photoreceptor cell R5
photoreceptor cell R6
15% of homozygous ommatidia exhibit supernumerary R1-6 cells.
Dsor1Su1; argos152 flies exhibit extra R7-like cells in 25% of ommatidia.