There have been studies against twins, separated at birth, that suggest there is a significant genetic component to personality [1]. To me, this seems obvious.

There have been studies against twins, separated at birth, that suggest there is a significant genetic component to personality [1]. To me, this seems obvious. [1] https://www.apa.org/monitor/2015/01/double-life#:~:text=That%20research%2C%20which%20looked%20at,be%20mainly%20shaped%20by%20environment https://www.apa.org/monitor/2015/01/double-life#:~:text=That....