A partial A7-like terminal abdominal segment (similar to abdominal segment 7 found in wild-type females) forms and A6 sternite is transformed toward anterior identity in dsx1/dsx18 trans-heterozygous males.
Homozygous males and females are transformed into sexually indistinguishable intersexes.
106 amino acid fragment, which includes the DNA binding domain, shows sequence specific DNA binding in gel mobility shift assays.