Homozygotes have no morphological defects.
Su(mg)1-41-4 is a suppressor of phenotype of mod(mdg4)ul
Dominantly suppresses the enhancing effect of mod(mdg4)ul on the y2 phenotype. Variably suppresses the enhancing effect of mod(mdg4)ul on the y-800, y-700, y+660 and y+2490R phenotypes. Has no effect on the interaction between mod(mdg4)ul and the ct6 or scD1 mutations.
Isolated as a suppressor of the enhancing effect of mod(mdg4)ul on the y2 phenotype.