Deletion within the endogenous sfl locus, removing approximately 250bp of the 5'UTR, including the 37bp exon 2 that is unique to the sfl-RA isoform.
abnormal developmental rate
Df(3L)Ilp2-3, sflΔex2 has abnormal developmental rate phenotype
Df(3L)Ilp2-3, sflΔex2 has decreased fecundity phenotype
Df(3L)Ilp2-3, sflΔex2 has decreased body weight phenotype