Mutation in the open reading frame; 137bp deletion leading to a frameshift and a premature stop codon.
Induction of VhaAC39-1FZ29 homozygous whole-eye clones in the third instar larva leads to the absence of eyes in adults.
Homozygous follicle cell clones show continuing mitosis after stage 6 (wild-type follicle cells divide mitotically from stage 2 to stage 6 of oogenesis).