3 ms·
You're off by at least an order of magnitude there; we have DNA samples from well further back than that, such as from Neanderthals and from mammoths. But no,
by Sniffnoy 5y ago
You're off by at least an order of magnitude there; we have DNA samples from well further back than that, such as from Neanderthals and from mammoths.
But no, it doesn't last long enough to get DNA samples from dinosaurs. I don't know the area well enough to give a good figure, but 1 million years seems to be an upper bound from what I can find quickly.