A non-adaptationist perspective on evolution of genomic complexity or the continued dethroning of man - PubMed (original) (raw)
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- PMID: 14726650
A non-adaptationist perspective on evolution of genomic complexity or the continued dethroning of man
Eugene V Koonin. Cell Cycle. 2004 Mar.
Abstract
A new, non-adaptationist theory of evolution of genomic complexity was recently proposed by Lynch and Conery. This concept holds that increase in complexity seen in eukaryotic genomes is a 'syndrome' caused by increase in genome entropy, which is inevitably triggered by reduction of population size. Here, I discuss the definitions of genomic entropy and complexity and the evidence supporting the entropic theory of genome complexity evolution, including new observations on concordant gain and loss of genes and introns in eukaryotic genomes. I further consider the far-reaching biological and philosophical implications of this theory.
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