Fig. 3. heph clones autonomously misexpress WG and CT, and induce ectopic AC expression in surrounding tissue. Normal WG (A), CT (D), AC (G) and DLL (J) expression from heph⁰³⁴²⁹ heterozygous wing discs. (B,C) A heph mosaic wing disc with ectopic WG (arrows) within heph⁰³⁴²⁹, GFP^- mitotic clones that are close to the normal WG-expressing cells. (E,F) A heph mosaic wing disc with ectopic CT (arrows) within heph⁰³⁴²⁹, GFP^- mitotic clones that are close to the normal CT-expressing boundary cells. Notice that CT is preferentially expressed along the heph clone border (F,F'). (H,I) A heph mosaic wing disc with ectopic AC (arrow) in cells adjacent to heph⁰³⁴²⁹ clones that are close to the normal DV boundary (marked by the normal gap between domains of AC expression). Notice in I that some heph⁰³⁴²⁹ mutant cells express AC. (K,L) Loss of heph in clones does not affect expression of the WG target gene Dll.

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