Cause and effect in evolution

W. Joe Dickinson () and Jon Seger ()
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W. Joe Dickinson: University of Utah
Jon Seger: University of Utah

Nature, 1999, vol. 399, issue 6731, 30-30

Abstract: Abstract The need to see ‘purpose’ in evolution, or at least some internal drive to help the blind processes of random variation and natural selection, is remarkably resilient1. Recent manifestations in the scientific literature imagine evolved mechanisms that actively promote further evolution or that facilitate rapid response to changed conditions. For example, Rutherford and Lindquist2 (and the authors of related commentaries3,4) suggest that the heat-shock protein Hsp90, by stabilizing developmental pathways, fosters the accumulation of hidden variants that can be exposed by environmental challenges and subsequently fixed by selection.

Date: 1999
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DOI: 10.1038/19894

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