Expression patterns of ProWOX5:GUS in wild-type (WT) and putative smo1-1 smo1-2 embryos. A to D, Expression patterns of ProWOX5:GUS in wild-type embryos at globular (A), triangular (B), heart (C), and torpedo (D) stages. E to H, Expression patterns of ProWOX5:GUS in putative smo1-1 smo1-2 embryos. Bars = 50 μm.