Collective evolution and the genetic code

Details Collective evolution and the genetic code Collective evolution and the genetic code

2006-05-22

arxiv.org/abs/q-bio/0605036v1

Biology

Quantitative Biology

Populations and Evolution

Scientific paper

10.1073/pnas.0603780103

A dynamical theory for the evolution of the genetic code is presented, which accounts for its universality and optimality. The central concept is that a variety of collective, but non-Darwinian, mechanisms likely to be present in early communal life generically lead to refinement and selection of innovation-sharing protocols, such as the genetic code. Our proposal is illustrated using a simplified computer model, and placed within the context of a sequence of transitions that early life may have made, prior to the emergence of vertical descent.

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