Polytene chromosomes normal.
8kb insertion.
412 insertion (8 kb) at +8kb; '+' values to right (distal); 0 coordinate assigned to insert position of vg21; Williams, Atkin and Bell (1990)
homozygous wing phenotype like that of vg halteres absent postscutellar bristles absent homozygous viable female-fertile?
Induced in: Mature spermatozoon.
"irradiation" was stated as tentative. "spontaneous" was stated as tentative.