Recurrent hybridization and gene flow shaped Norway and Siberian spruce evolutionary history over multiple glacial cycles.

Abstract excerpt

Most tree species underwent cycles of contraction and expansion during the Quaternary. These cycles led to an ancient and complex genetic structure that has since been affected by extensive gene flow and by strong local adaptation. The extent to which hybridization played a role in this multi-layered genetic structure is important to be investigated. To study the effect of hybridization on the joint population...

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• Biological Evolution
• DNA, Chloroplast
• Gene Flow
• Genetics, Population
• Hybridization, Genetic