Abstract
We recognize from the title that the discussion concerns morphogenesis, that is, the set of developmental mechanisms generating the shape of tissues, organs, and ultimately the organism as a whole. But more than that, the discussion concerns the change of morphogenetic mechanisms in evolution, and the cellular basis of this change. This topic is to be distinguished from “The Cellular Basis of Morphogenesis,” a concern limited to the domain of developmental biology. Ours is a “second derivative” question about evolutionary changes in the mechanisms effecting developmental change. The charge clearly fits the theme of the conference, “to examine how changes in the course of development can alter (or influence) the course of evolution.” Alas, the charge was almost too subtle for us; we only grasped it in our summary session. At the end of this report, we will consider whether our session could ever have delivered an answer at this time, even with unlimited discussion, and also what an answer might look like, if one does exist, to the question of the cellular basis of morphogenetic change.
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© 1982 Springer-Verlag Berlin, Heidelberg, New York
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Gerhart, J.C. et al. (1982). The Cellular Basis of Morphogenetic Change Group Report. In: Bonner, J.T. (eds) Evolution and Development. Dahlem Workshop Reports, vol 22. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-45532-2_5
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DOI: https://doi.org/10.1007/978-3-642-45532-2_5
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