84A;85A
84A;85A
bk1 << Scr << Antp << bk2
In heterozygotes the frequency at which heat shocks induce abdominal segment 1 transformations is much higher than compared to wild type embryos.
Enhances transformation phenotype of ftzUal mutants (Duncan, 1986, Cell 47: 297-309).
All limits from polytene analysis (FBrf0038059)