I never understood why people act like the expression of DNA is a deterministic ... | Hacker News

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		knolax on Jan 9, 2021 \| parent \| context \| favorite \| on: Identical twins are not so identical, study sugges... I never understood why people act like the expression of DNA is a deterministic system unaffected by external inputs, as if it were just some code being compiled. It's obviously a hugely complex emergent process that can be affected by environment and even just random chance.

jhardy54 on Jan 9, 2021 | [–]

> obviously

Obviously to whom? I was taught that DNA has a chance of mutating each time it's copied, but that's certainly not "obvious".

elboru on Jan 9, 2021 | [–]

Maybe because that’s how it’s always explained? At least to outsiders.

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