Tiny bits of protein extracted from a 68-million-year-old dinosaur bone have given scientists the first genetic proof that the mighty Tyrannosaurus rex is a distant cousin to the modern chicken.
“It’s the first molecular evidence of this link between birds and dinosaurs,” said John Asara, a Harvard Medical School researcher, whose results were published in Friday’s edition of the journal Science.
Scientists have long suspected that birds evolved from dinosaurs based on a study of dinosaur bones, but until recently, no soft tissue had survived to confirm the link.
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