Cameron, R. Andrew and Peterson, Kevin J. and Davidson, Eric H. (1998) Developmental Gene Regulation and the Evolution of Large Animal Body Plans. American Zoologist, 38 (4). pp. 609-620. ISSN 0003-1569 http://resolver.caltech.edu/CaltechAUTHORS:20121024-113730913
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A diverse assemblage of invertebrate animals, some of which basically resemble the forms found in modern oceans, appears in the fossil record soon after the advent of the Cambrian period, though the first large multicellular animals clearly arose even earlier. How this occurred is among the intellectually challenging mysteries of biology. The solution to this mystery is likely to emerge, in part, from an understanding of the molecular processes by which modern animals use their genetic information to construct their body plans during embryonic development. We discuss a mechanistic hypothesis that was presented earlier as an explanation of the causal events underlying the “Cambrian explosion,” and thus the divergence of large animal body plans.
|Additional Information:||© 1998 Society for Integrative and Comparative Biology. From the Symposium The Evolution of Development: Patterns and Process presented at the Annual Meeting of the Society for Integrative and Comparative Biology, 26-30 December 1996, at Albuquerque, New Mexico. We thank the following for kindly providing illustrations: Drs. James Gehling, Simon Conway Morris, Andrew Smith and Benjamin Waggoner. This work was supported by NIH grant (HD-05753) to EHD and by NSF grant (IBN 9604454) to RAC.|
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|Deposited By:||Jason Perez|
|Deposited On:||24 Oct 2012 20:42|
|Last Modified:||24 Oct 2012 20:42|
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