Homozygous clones in the eye disc develop apparently normally.
Shows milder midgut phenotype than vnγ4.
Homozygotes are embryonic lethal. Individuals transheterozygous with a strong EMS vn mutation exhibit small wings. Transheterozygotes with vnL6 are pupal/pharate adult lethal and transheterozygotes with vnγ7 are pharate adult lethal.
Limits of break 1 from polytene analysis (FBrf0089826) Left limit of break 2 from inclusion of vn (FBrf0089826) Right limit of break 2 from polytene analysis (FBrf0089826)