5' sequences are deleted up to -17bp and a 40bp synthetic oligonucleotide containing four z protein binding sites is fused to the 5' end.
Deletion of 5' regulatory site at -17bp and the addition of tetramer of z binding site.
Decrease in wild type eye pigment in the presence of Mowgamma.
Eye colour: pigmented.
Shows greater dosage compensation in X chromosomal than in autosomal sites.
Protein fails to interact with Ufo1.