aos minigene, with large first intron removed, expressed from a sev promoter and three copies of sev enhancer in a 700bp fragment.
wild-type
Very few defects in eye development, even when allele is present in four copies in the genome.
aossev.PF rescues aosrlt
aossev.PF rescues aos5
Rescues the eye defect of argos5 completely.