P-element excision retains the 3' inverted terminal repeat, but has lost the 5'inverted terminal repeat. Very little, if any, of the snRNA:U7 coding region is removed, as based on the presence of a primer binding site.
female sterile (with Df(3L)GN50)
female sterile | recessive
male sterile (with Df(3L)GN50)
male sterile | recessive
viable
viable (with Df(3L)GN50)