sophia4636
28.10.2020 •
Biology
Which example is a body fossil?
dinosaur footprint
shrimp burrow
fossilized animal droppings
wooly mammoth tusk
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Ответ:
The concepts of gene therapy arose initially during the 1960s and early 1970s whilst the development of genetically marked cells lines and the clarification of mechanisms of cell transformation by the papaovaviruses polyoma and SV40 was in progress.
Explanation: