I find this poll very misleading for the other reason that just having a non-zero relationship isn't meaningful at all without any knowledge of how strong the effect is or how influential.. Seems kind of trollish & counterproductive to ask the chances of it being literally zero
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Some variants will lead to increased height in a large number of environments. If one population has more of these variants it will generally be taller than if it lacks them. Pending on definition of inherent, this is inherent.
The obvious hereditarian reply here is just that the Americans used to have better height boosting environment that had a larger effect size than Dutch genetic advantage, but after this was equalized, the Dutch genetics advantage shows.
