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T. rex confirmed as great granddaddy of all birds

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posted on Apr, 25 2008 @ 02:38 AM
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T. rex confirmed as great granddaddy of all birds


www.new scientist.com

To build the family tree, Asara and colleague Chris Organ compared the T. rex sequence with collagen from other animals. Those with similar collagen sequences were grouped closely together on the tree, while differences in the sequences suggested the animals had long diverged.

For the most part, the collagen tree captured relationships palaeontologists and evolutionary biologists had little reason to doubt, including T. rex's kinship to birds and the mastodon's ancestry to elephants.

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posted on Apr, 25 2008 @ 02:38 AM
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Palaeontologists have known all along that dinosaurs were the predesessors of birds but this analysis seems to prove the relationship by molecular data.

www.new scientist.com
(visit the link for the full news article)



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