Article
Multiple nuclear gene phylogenetic analysis of the evolution of dioecy and sex chromosomes in the genus Silene.
PloS one - 1 Jan 2011
Marais Gabriel A B, Forrest Alan, Kamau Esther, Käfer Jos, Daubin Vincent, Charlesworth Deborah
Abstract excerpt
In the plant genus Silene, separate sexes and sex chromosomes are believed to have evolved twice. Silene species that are wholly or largely hermaphroditic are assumed to represent the ancestral state from which dioecy evolved. This assumption is important for choice of outgroup species for inferring the genetic and chromosomal changes involved in the evolution of dioecy, but is mainly based on data from a single...
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