Aporia

Aporia

Aporia Magazine

Family effects can't explain missing heritability

Proving the pudding.

Dec 12, 2025
∙ Paid

Written by Noah Carl.

Have behaviour geneticists dropped the ball? Responding to a comment on my previous article, I said I was surprised they weren’t engaging with Sasha Gusev — the Harvard professor who claims the heritability of IQ has been massively overestimated.1 After all, the debate here is about genes and individual differences, which isn’t nearly as controversial as genes and group differences. So why aren’t the leading lights of behaviour genetics rushing to the defence of their field?

Keep reading with a 7-day free trial

Subscribe to Aporia to keep reading this post and get 7 days of free access to the full post archives.

Already a paid subscriber? Sign in
© 2025 Aporia Magazine · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture