RT @Friedemann1
Oh that preprint suggesting SARS-CoV-2 has fingerprints because someone had fiddled with the genome.

First, you can indeed make a recombinant SARS-CoV-2 from cloned cDNA using the type IIS restriction enzyme BsaI (and another one) 👇 by Xie et al
1/21
(https://www.sciencedirect.com/science/article/pii/S1931312820302316?via%3Dihub)