Mammoths: Blondes and brunettes? | Science News

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Mammoths: Blondes and brunettes?

12:04pm, July 18, 2006

The wool of woolly mammoths may have come in at least two shades, according to new genetic research.

Scientists have dug up several of the Pleistocene-era beasts in recent years, and a few well-preserved specimens have yielded remains of the animals' distinctive hairy coats. However, scientists weren't sure whether the color variations they've seen represent mammoths' true hues, notes evolutionary biologist Michael Hofreiter of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany.

"No one knew whether differences in hair color came from genetic differences between animals or from storage in the soil for 10,000 years," says Hofreiter.

To investigate, he and his colleagues examined a gene called mc1r, isolated from the leg bone of a 43,000-year-old mammoth. A similar gene controls color in a variety of other animals, including people, mice, and chickens.

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