Article
Getting from an RNA world to modern cells just got a little easier.
BioEssays : news and reviews in molecular, cellular and developmental biology - 1 Feb 2006
Poole Anthony M
Abstract excerpt
Our understanding of the early steps in the evolution of life is hampered by a Catch-22: Darwinian selection leading to longer genomes requires as prerequisite increased replicative fidelity. Yet a genome at capacity cannot increase in size; it will be catastrophically mutated out of existence if fidelity has not already increased. Traditionally the problem has been considered for genotypes but can be down-sized...
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