Polytene chromosomes normal.
body color defective
Body colour: black.
b79b7 has phenotype, suppressible by qs2
b79b7 has phenotype, suppressible by su(b)6
Mutagen comment: Neutron energy - 0.85 MeV.
Induced in: Mature sperm. Induced with: an independent lethal mutation which can be removed by recombination.