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Embryos and Ancestors

book by de Beer

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discussed in biography

  • In Sir Gavin de Beer

    In Embryos and Ancestors (1940) he developed the concept of paedomorphosis, the retention in the adult of juvenile or infantile characteristics of ancestors, in opposition to phylogenetic recapitulation, the theory that an organism during embryonic development repeats the adult stages of its ancestors. He then suggested…

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