Homozygotes have a vgno wing phenotype. vg78a1/vg83b27 transheterozygotes have wild-type wings, intermediate halteres and wild-type postscutellars.
homozygous wing phenotype like that of vgno halteres present postscutellar bristles present (more or less) homozygous viable female-fertile?
Induced in a mature sperm.
"irradiation" was stated as tentative. "spontaneous" was stated as tentative.