Imprecise excision of the progenitor insertion, resulting in a deletion of 1206bp which removes part of CG4476 (97 amino acids that encompass the first transmembrane domain and a portion of the second transmembrane domain are predicted to be removed).
An 1206bp deletion resulting from the imprecise excsion of P{XP}CG4476d11470, which extends from the insertion site into CG4476 and removes the first 97 amino acids.
Mutants have no evident morphological eye defects.
Mutant flies are visually impaired in a fast phototaxis assay compared to control flies when the behaviour in the light and dark is compared.