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Alan Grafen: “Fisher’s legacy in Darwinian biology”

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  • UserAlan Grafen, Department of Zoology, University of Oxford World_link
  • ClockThursday 21 April 2022, 11:40-12:40
  • Househybrid .

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The “Darwinian biology” of my title is what Darwin would have understood with his very limited knowledge of heredity and his focus on the improving power of natural selection on organismal design. Fisher’s legacy includes specific contributions on the advantages of sexual over asexual reproduction, sexual selection, sex ratio theory and mimicry. He also showed in what circumstances natural selection has fine-grained creative power; and provided a template model for proving mathematically that natural selection is an improving process and, crucially, proving what counts as improvement.

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