Titlebook: Evolution and Development; Report of the Dahlem J. T. Bonner Conference proceedings 1982 Dr. S. Bernhard, Dahlem Konferenzen, Berlin 1982 E

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Zusammenstellung der benutzten Literatur,intermediate shapes will not work, and when environments vary mostly between, rather than within, generations. In different ways both plasticity and canalization uncouple the gene pool from selection, implying that the organism is a privileged level of selection and promoting stasis within species.

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Introductionciate the names of Karl von Baer, and later Ernest Haeckel and all the controversies surrounding his biogenetic law. Even Charles Darwin, in his ., devoted considerable space to the evidence for evolution gained from embryology. But since then the merger of the two disciplines has been on a gentle d

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Genomic Change and Morphological Evolution Group Reportce and organizational changes observed in evolution. We further considered existing knowledge and interpretations regarding the actions of genes in development, how genes are utilized, why so many are needed, and how their arrangement may affect activity. We discussed gene famlies, repeated sequence

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The Cellular Basis of Morphogenetic Change Group Reportorgans, 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 dev

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What Does the Comparative Study of Development Tell Us About Evolution? short metamorphic period separating each phase. Because of adaptive pressures which function to minimize the metamorphic transition by having adult organs begin their development during the larval period, this phase of the life cycle became the period in which most of the changes occurred that were

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Pattern Formation and Changeells are assigned positional values as in a coordinate system and then interpret this according to their genetic constitution and developmental history. There is evidence that the same coordinate system can be used for quite different patterns. Cells of the same histological class may have different