Talk:Biological issues in Jurassic Park
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Present-day PCR can't amplify large quantities of DNA (the entire dinosaur genome). Even if this was possible, it would take a very long time.
You don't need to PCR a chromosome - putting it into a cell will do the job for you (as with Yeast artificial chromosomes)
PCR needs parts of the DNA to start the reaction (the so-called primers). To get them, the genome needs to be mapped beforehand.
Random primers are commonly used to PCR unknown sequences, which can then be sequenced.
Because DNA is broken down by nucleases and proteolytic enzymes in the mosquito gut, the mosquito would have to be preserved immediately after feeding.
Nucleases yes, but proteases don't break down DNA - only protiens
Since there are now sources/references included in the article, I took the liberty of removing the reference tag and hiding it somewhere else.