These bears interbred a lot more than we thought, suggests DNA from a 115,000-year-old jawbone.
into polar bears, according to the recent research.. In fact, previous research suggests that all living polar bears today“We’re seeing
a dominant signal of gene flow going into polar bears, which then suggests that polar bears as a species have inherited DNA from brown bears,” Lindqvist said. “Since they’re such different species—the polar bears being Arctic specialists and the brown bears being more generalist—you can ask what kind of impact might that have on the polar bear as a species.”polar bears might have been like without more fossil evidence.
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