A quantum mechanical model of adaptive mutation.

  title={A quantum mechanical model of adaptive mutation.},
  author={Johnjoe McFadden and Jim Al-Khalili},
  journal={Bio Systems},
  volume={50 3},
The principle that mutations occur randomly with respect to the direction of evolutionary change has been challenged by the phenomenon of adaptive mutations. There is currently no entirely satisfactory theory to account for how a cell can selectively mutate certain genes in response to environmental signals. However, spontaneous mutations are initiated by quantum events such as the shift of a single proton (hydrogen atom) from one site to an adjacent one. We consider here the wave function… CONTINUE READING
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