/sci/ - Science & Math

>>10314650

>If the community survives everone gets to pass on their genes more or less.

That's a reasonable thing to assume at first, but there are a few reasons this is not the case:

>Group desertion or ostracisation of unfit individuals
>Sexual selection
>Different rates of fertility
>Different capacities to raise children (in colder climates storing food for your own child may be important, etc.)
>By your reasoning evolution wouldn't occur with any other pack animal, which is clearly false
>Natural selection also continued during agriculture, which is a non-negligible period of time, see study
>Probably some other reasons but I'll leave that to your imagination

https://www.cambridge.org/core/services/aop-cambridge-core/content/view/BF2A35F0D4F565757875287E59A1F534/S1832427417000378a.pdf/holocene_selection_for_variants_associated_with_general_cognitive_ability_comparing_ancient_and_modern_genomes.pdf