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Key word there being “selecting”, which makes this a pretty implausible explanation for something we can observe over a couple decades.


Unless production is controlled by the environment rather than strictly genetic factors.

This wouldn't be a genetic argument then.


So then totally irrelevant to the silver fox experiment.


Hormone production is something that the body controls. It doesn't require multiple generations or genetic selection.


I don't get what you're saying, every phenotype is something "that the body controls."


The point is that it's not a genetically determined effect.

Testosterone in your body fluctuates throughout the course of a single day, based on what happens to you in that day.

So at a societal level, we'd expect some general zeitgeist based average to fall out of other factors, potentially.




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