Homozygotes have a vg wing phenotype. Postscutellars and halteres are missing. vg76d2/vg83b27 transheterozygotes have crumpled and blistered wings, intermediate halteres and wild-type postscutellars.
homozygous wing phenotype like that of vg halteres absent postscutellar bristles absent homozygous viable
Induced in a mature sperm.
"irradiation" was stated as tentative. "spontaneous" was stated as tentative.