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swampwiz
- 571
- 83
I was reading about astronaut Scott Kelly's genes having "permanently" changed after a year in 0-G (the key is not that his capsule was in space, but rather that he was at 0-G, but I digress ...) Is it supposed to mean that genes have changed in new cells being born, eventually taking over as the cells with the old genes have died out? And then the genes changed back in the same process?