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Developmental biology

Signalling legacies

Until now, the signals that control the development of the legs in insects and vertebrates have been thought to be different. But new work reveals similarities, which might have evolutionary implications.

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Figure 1: Taking steps to developing a leg.

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Mann, R., Casares, F. Signalling legacies. Nature 418, 737–738 (2002). https://doi.org/10.1038/418737a

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