Skip to main content
. 2014 Aug 29;68(11):3281–3295. doi: 10.1111/evo.12493

Figure 2.

Figure 2

Independent expansion of the nonrecombining regions across the Galloanserae. Phylogeny illustrating the independent cessation of recombination on the sex chromosomes in the Galliformes and Anseriformes. Estimated date of recombination suppression (millions of years), calculated using a molecular clock that accounts for sex-specific mutation rates in Z- and W-linked genes, is mapped onto the phylogeny.