amorphic allele - genetic evidence
Imprecise excision of P{(-loxP)(-FRT)Flipper2}apMM has resulted in an ~4kb deletion. The most 3' ~1.6kb of the P-element are left at the break point, including the wing enhancer of y.
visible (with apDG3)
wing (with apDG3)
No wings are seen in apc2.58c/apDG3 mutant flies.