Shh-Bmp2 signaling module and the evolut
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Harris, Matthew P. ;Fallon, John F. ;Prum, Richard O.
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Article
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2002
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John Wiley and Sons
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English
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To examine the role of development in the origin of evolutionary novelties, we investigated the developmental mechanisms involved in the formation of a complex morphological novelty-branched feathers. We demonstrate that the anterior-posterior expression polarity of Sonic hedgehog (Shh) and Bone mor