Article
Question 6: coevolution theory of the genetic code: a proven theory.
Origins of life and evolution of the biosphere : the journal of the International Society for the Study of the Origin of Life - 1 Oct 2007
Wong Jeffrey Tze-Fei
Abstract excerpt
The coevolution theory proposes that primordial proteins consisted only of those amino acids readily obtainable from the prebiotic environment, representing about half the twenty encoded amino acids of today, and the missing amino acids entered the system as the code expanded along with pathways of amino acid biosynthesis. The isolation of genetic code mutants, and the antiquity of pretran synthesis revealed by...
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