Fig. 2. Branchial arch expression patterns of the genes upregulated in
Dlx5/6-/-. (A-W) Lateral views of wild-type,
Dlx5/6-/- and Dlx1/2-/- E10.5 mouse
embryos processed by whole-mount in situ hybridization. Arrows and solid
arrowheads indicate upregulation of expression in
Dlx5/6-/- mdBA1 and distal BA2, respectively; open
arrowheads indicate downregulation of expression in
Dlx1/2-/- mxBA1.