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What possible, fundamental, misunderstanding of the nature of the universe could make current academics look like flat earthers? (lemmy.world)

submitted 6 months ago* (last edited 6 months ago) by [email protected] to c/[email protected]

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[–] [email protected] 1 points 6 months ago (1 children)

I would expect randomness to play a larger roll than fitness.

[–] [email protected] 3 points 6 months ago (2 children)

In the short term (single digit generations) that's probably true, but I don't see how it could be on longer scales. If the random mutations decrease fitness, they won't be passed on at some point, since there is less reproduction. If they increase fitness, they will be passed on to more individuals.

[–] emergencyfood 1 points 6 months ago

What OP said is Motoo Kimura's Neutral Theory of evolution. There's a lot of evidence supporting it. The vast majority of mutations have a negligible effect on fitness. So it is very possible that something may evolve purely by chance.