Fig. 3. Wnt8 ORF1 and ORF2 expression in vent;vox mutants. In situ hybridization for wnt8 ORF1 (A-F) and wnt8 ORF1+ORF2 (G-L). Genotypes are indicated above each column; stages are also indicated. Arrowheads indicate the dorsal limit of wnt8 expression. Note the slight decrease in ORF1 dorsally in shield stage vent;vox mutants (C,D), and the broadened dorsal clearing of wnt8 ORF1 expression at 75% epiboly (F). wnt8 ORF2 expression is not affected. (A-D,G-J) Animal view, dorsal right. (E,F,K,L) Vegetal view, dorsal right.