[cubefox]

IQ is about as heritable as body height.

> The results show that the heritability of IQ reaches an asymptote at about 0.80 at 18–20 years of age and continuing at that level well into adulthood.

https://www.cambridge.org/core/journals/twin-research-and-hu...

[tptacek]

2013 is the phlogiston era of this science. Even the hereditarians hedge on the 0.80 claim now.

[cubefox]

Source?

[tptacek]

Alex Strudwick Young.

[cubefox]

Link?

[tptacek]

He's pretty easy to find. I'm not messing with you, he's just the most obvious example that came to my head. For I think kind of obvious reasons?

[cubefox]

If you are unable to provide a specific source for your claim, you probably made it up.