An examination of phylogenetic models of substitution rate variation among lineages
- 25 February 2009
- journal article
- Published by The Royal Society in Biology Letters
- Vol. 5 (3) , 421-424
- https://doi.org/10.1098/rsbl.2008.0729
Abstract
Molecular evolutionary rates can show significant variation among lineages, complicating the task of estimating substitution rates and divergence times using phylogenetic methods. Accordingly, relaxed molecular clock models have been developed to accommodate such rate heterogeneity, but these often make the assumption of rate autocorrelation among lineages. In this paper, I examine the validity of this assumption.Keywords
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