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News and Views
Nature 445, 33-34 (4 January 2007) | doi:10.1038/445033a; Published online 3 January 2007
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Developmental biology: This worm is not for turning
Henry Gee1
Abstract
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.
Vertebrates are so different from other creatures that discovering their origins within the animal kingdom has always been problematic. But molecular, developmental and genomic work on the sometimes obscure invertebrate relatives of vertebrates is prompting a re-evaluation of this vexed topic.
- Henry Gee is a Senior Editor of Nature.
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