Why is the correlation between gene importance and gene evolutionary rate so weak?

One of the few commonly believed principles of molecular evolution is that functionally more important genes (or DNA sequences) evolve more slowly than less important ones. This principle is widely used by molecular biologists in daily practice. However, recent genomic analysis of a diverse array of...

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Bibliographic Details
Main Authors: Zhi Wang, Jianzhi Zhang
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2009-01-01
Series:PLoS Genetics
Online Access:http://europepmc.org/articles/PMC2605560?pdf=render