Is it possible to extract DNA from dinosaur remains?
by 
wickedwillie
ANSWERS: 5
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In is nearly impossible, unless the tissue sample has been somehow preserved from exposure - (such as amber) - unprotected DNA strands break apart relatively quickly, especially in a geological timeframe.
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At this point, I would say no. The best preserved DNA (based on age) has been found in the permafrost of Siberia, and at the very oldest may be about 400 000 years old. Ancient DNA from a 30,000 year old woolly mammoth has also recently been extracted and sequenced. I have read that the "theoretical upper limit" of DNA survival is only 1 million years, so getting DNA from your favourite dinosaur probably just won't happen.
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extracting dna from dinosaur remains has become a fabled conception since the film Jurassic Park. however, I doubt that full DNA samples could be found: over the millions of years the chances of DNA staying intact are extremely unlikely. though some dinosaurs have been found with remains of skin, DNA was not found - it simply couldn't last that long.
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At this time, no. But you never know how lucky we may get later.
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Not really. DNA degrades into a useless substance over millions of years - but that's not to say we won't find another way to bring the dinosaurs back!
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