[Carriage Hill]

Can they actually “reconstruct/ breed” animals from DNA that old?

[Red Badger]

Only in Hollywood..........................

[PeterPrinciple]

“If there is any DNA or DNA-like molecule in there, it will be – as a scientific guess – very, very chemically modified and altered,”

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From the article. If there is any there, it is highly altered.

What is the definition of fossilization?

Fossilization takes place either (i) by the complexation of mineral ions to functional groups in the organic material, gradually replacing the organic structure and, at the same time, trapping the degrading organic molecules in the polymerizing mineral matrix, or (ii) when amorphous minerals formed in the aqueous phase bind to the cell envelope (Konhauser et al., 2003;

https://www.sciencedirect.com/topics/earth-and-planetary-sciences/fossilization