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  • W. M. Fitch, Francisco José Ayala
  • Biology, Medicine
  • Proceedings of the National Academy of Sciences…
  • 1994 (First Publication: 19 July 1994)
  • George Gaylord Simpson said in his classic Tempo and Mode in Evolution (1) that paleontologists enjoy special advantages over geneticists on two evolutionary topics. One general topic, suggested byExpand