A team of scientists at the Senckenberg Research Center for Biodiversity and Climate in Frankfurt, Germany, has reconstructed large parts of the male chromosome in polar bears (Ursus maritimus). Essential parts of the polar bear Y chromosome have been decoded for the first time. Image credit: Axel Janke. “In order to gain insights into the evolutionary development of polar bears, we use genetics instead of fossils,” said Prof Axel Janke, team...
