Chd7 and Chd8 are expressed in multiple organs at E12.5. In situ hybridisation images of Chd8 (A–E) and Chd7 (F–I) transcripts around the cochlea of the inner ear (A,F), kidney (B,G), lung (C,H), eye (D,I) and tooth (E,J). Scale bars: 100 μm. C, cornea; CD, cochlear duct, CVG, cochlea‐vestibular ganglia; CM, condensing mesenchyme; LE, lung epithelium; LN, lens; MT, metanephric tubule; NR, neuroretina; PI, primordium of incisor; PO, pre‐optic cup; RPE, retinal pigmented epithelium; SB, segmental bronchus.