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. 2014 Dec 12;14:250. doi: 10.1186/s12862-014-0250-8

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© Wang et al.; licensee BioMed Central Ltd. 2014

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Male-drive evolution of genomic sequences in birds. (A). Male-to-female mutation bias of 45 bird species. We show the degree of male-driven evolution (α) inferred from comparing intronic substitution rates between Z chromosomes and macrochromosomes, as well as their confidence intervals. (B-E). The association between synonymous substitution rates vs. life history traits. BMR: Basal Metabolic Rate. The numbers of data points vary by the species with certain life history trait data available.