Internal deletion of the P{PZ} element, retaining 5.6kb of the original 15kb transposon.
Homozygous females lay eggs with a single dorsal appendage and a short nub of chorion material along the dorsal midline. 13% of eggs hatch and develop to normal larvae.
fs(1)K101/fs(1)K101; Ras85Dix13b/Ras85De2F females lay eggs that range from strongly dorsalised to weakly ventralised, indistinguishable from Ras85D mutant eggs. The embryos range from strongly dorsalised to weakly dorsalised, to almost normal with slight head defects.