November 10, Ancient penguin DNA raises doubts about accuracy of genetic dating techniques Adelie penguins have survived in Antarctica for thousands of years and are invaluable for genetic research.
Penguins that died 44, years ago in Antarctica have provided extraordinary frozen DNA samples that challenge the accuracy of traditional genetic aging measurements, and suggest those approaches have been routinely underestimating the age of penguins carbon dating specimens by to percent. These penguins live in massive rookeries, have inhabited the same areas for thousands of years, and it was comparatively simple to identify bones of different ages just by digging deeper in areas where they died and their bones piled up.
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Would a mollusk have the same amount of C per gram of carbon as a tree? Probably not. Living penguins have been carbon dated at 8, years old! Penguins that died years ago in Antarctica have provided Ancient penguin DNA raises doubts about accuracy of genetic dating techniques There's nothing in this article relating "DNA dating" to radiometric dating. I've recently heard a claim that I had originally heard way back when I was a Christian. A live penguin was carbon dated and the date given. This is a digitized version of an article from The Times's print archive, before the start of online publication in To preserve these articles as.