Molecular investigations of the origin of the dorso-ventral axis in an obscure marine invertebrate illuminate one of the longest-running debates in evolutionary biology — that over the origin of vertebrates.
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Henry Gee is a Senior Editor of Nature.
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Gee, H. This worm is not for turning. Nature 445, 33–34 (2007). https://doi.org/10.1038/445033a
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DOI: https://doi.org/10.1038/445033a
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