Data from: Genetic admixture supports an ancient hybrid origin of the endangered Hawaiian duck

Philip Lavretsky, , John M. Eadie, Jeffrey L. Peters & A. Engilis
Speciation is regarded primarily as a bifurcation from an ancestral species into two distinct taxonomic units, but gene flow can create different signals of phylogenetic relationships among different loci. We evaluated several hypotheses that could account for phylogenetic discord between mitochondrial DNA (mtDNA) and nuclear DNA (nuDNA) within Hawaiian ducks (Anas wyvilliana), including stochastic lineage sorting, mtDNA capture, and widespread genomic introgression. Our results best support the hypothesis that the contemporary Hawaiian duck is descended...
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