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Some Su(H) or E(spl) mutant cells are rho-lacz positive and Sens negative. (A–F) MARCM clones are marked with GFP (GFP is colored blue in C and F). Su(H) or E(spl) mutation induces posterior ectopic rho-lacz expression (A, D) and ectopic Sens expression (B, E). Some cells in E(spl) or Su(H) mutant clones have ectopic rho-lacz expression but no Sens expression (C, F, indicated by yellow arrows).
