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Nature 217, 624-626 (17 February 1968) | doi:10.1038/217624a0; Received 18 December 1967

Evolutionary Rate at the Molecular Level

MOTOO KIMURA

  1. National Institute of Genetics, Mishima, Japan
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Calculating the rate of evolution in terms of nucleotide substitutions seems to give a value so high that many of the mutations involved must be neutral ones.