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DNA tells big story of T.rex's link to chickens
0 Comments | AFP, April, 2008
WASHINGTON (AFP) — It may seem unfathomable, but DNA testing has shown the towering Tyrannasaurus rex's closest living animal relatives include the humble chicken, a new study has found.
The research published this week in the journal Science marked "the first use of molecular data to place a non-avian dinosaur in a phylogenetic tree that traces the evolution of species," the journal said.
"These results match predictions made from skeletal anatomy, providing the first molecular evidence for the evolutionary relationships of a non-avian dinosaur," co-author Chris Organ, a postdoctoral researcher in organismic and evolutionary biology at Harvard University said.
"Though we only had six peptides -- just 89 amino acids -- from T. rex, we were able to establish...
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