Checking Mammoth DNA Against Elephants Hints At How They Got Hairy

An anonymous reader writes: A new study on mammoth DNA comparing the hairy animals to their cousins, the Asian and African elephants, has isolated what genes separate it from its warm-weather cousins. The study found that genes controlling skin and hair development, fat metabolism, insulin signaling, and skull shape, differed from today's contemporary elephant species. "They have this weird hump on their back, which is thought to be something like a camel hump — sort of a fat deposit that stored water and energy for the cold, dark winters," says Vincent Lynch, an evolutionary biologist at the University of Chicago.

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[Anonymous Coward]

With the rock hyrax(a guinea pig sized communal animal) and the sea cows being the closest relatives there is obviously much flexibility in the genetic makeup of an elephant
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