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There is no universal molecular clock for invertebrates, but rate variation does not scale with body size

Thomas, Jessica A.; Welch, John J.; Woolfit, Megan; Bromham, Lindell

Description

The existence of a universal molecular clock has been called into question by observations that substitution rates vary widely between lineages. However, increasing empirical evidence for the systematic effects of different life history traits on the rate of molecular evolution has raised hopes that rate variation may be predictable, potentially allowing the "correction" of the molecular clock. One such example is the body size trend observed in vertebrates; smaller species tend to have faster...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
URI: http://hdl.handle.net/1885/34949
Source: PNAS - Proceedings of the National Academy of Sciences of the United States of America
DOI: 10.1073/pnas.0510251103

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