P-element insertion in the 5' untranslated region, at position -264 relative to the putative ATG codon.
Insertion of a P-element.
fertile
viable
visible | recessive
adult head bristle
adult thorax & macrochaeta
macrochaeta
sternopleural bristle
Homozygotes lack all or most macrochaetae of the thorax, sternopleura and head. The sockets of the bristles are retained.
Unstable allele, partial revertants are readily obtained.
Unstable allele, partial revertants are readily obtained.