neomorphic allele - genetic evidence
An ap-RXa upstream regulatory element is inserted into the attP site in apattPΔEnh.
visible (with apDG3)
visible | dominant
alar lobe (with apDG3)
wing blade
wing hinge (with apDG3)
wing margin (with apDG3)
Most of the wing margin, the alula and the hinge region are poorly formed in apRXa/apDG3 mutants.
A small proportion of homozygous apRXa flies display a small notch in the tip region of the wing.