Polytene chromosomes normal.
Breaks between coordinates +8 and +13.5 kb, within the ss transcription unit.
Reported to map between +8 and +13.5 in the coordinate system of FBrf0102306. The breakpoint falls within a HindIII-BamHI fragment on the Figure 1 map.
Null phenotype. Antennal transformations, reduction in bristle size and tarsal deletions.