Polytene chromosomes normal.
abnormal body color
Body colour: black.
b79d11 has phenotype, suppressible by qs2
b79d11 has phenotype, suppressible by su(b)6
Alexandrov.
Mutagen comment: Neutron energy - 0.35 MeV.
Induced in: Mature sperm. Induced with: Independent lethal mutation separable by recombination.