Genome-wide evidence for a hybrid origin of modern polar bears
Tianying Lan, Jade Cheng, Aakrosh Ratan, Webb Miller, Stephan C Schuster, Sean Farley, Richard T Shideler, Thomas Mailund, Charlotte Lindqvist
The paper uses genomic data to show that polar bears originated from a hybridization event with brown bears, challenging the previous view of unidirectional gene flow.
bioRxiv · Apr 6, 2016 · PreprintEvolutionary Biology