Findings from E. Witt and co-researchers advance knowledge in science.

Science Letter | April 28, 2009 | Copyright

According to recent research from Berlin, Germany, "The question, how organisms obtain their specific complex and functional forms, was widely discussed during the eighteenth century. The theory of preformation, which was the dominant theory of generation, was challenged by different alternative epigenetic theories."

"By the end of the century it was the vitalist approach most famously advocated by Johann Friedrich Blumenbach that prevailed. Yet the alternative theory of generation brought forward by Caspar Friedrich Wolff was an important contribution to the ...

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