gain of function allele
Insertion of unknown DNA at position 0 on the molecular map of the vg region (Williams, Mol. Gen. Genet. 221: 8).
Internal P-element deletion.
chemical resistant | dominant
visible
wing
Homozygotes display slight resistance to aminopterin.
Strap-wing phenotype.
Homozygotes display a strong vg phenotype, heterozygotes with vg1 display a stronger vg phenotype when in the P-cytotype or M-cytotype.