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Figure Caption
Fig. 1 wnt8 morphants have reduced BMP signaling. A-D: In situ hybridizations on bud stage embryos, lateral views, anterior up. A: chordin expression marks several domains in the wild-type that are expanded in wnt8 loss of function embryos (B). C: sizzled expression is a readout for BMP signaling in the tail at bud stage (arrow). D: This expression is absent in wnt8 morphants.
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