And this isn’t a millions-of-years sort of selection, this is the sort that ought to be apparent in a few generations.
How do you know which sort it is?
I don’t think that number of children is really a heritable trait—it’s a cultural and economic effect,
Heritability depends on the environment. It is quite plausible that it is much more heritable in the modern environment than the pre-modern one.
the economics of having lots of kids are so bad today
I don’t want to discuss this, just to suggest that you might be very confused.
How do you know which sort it is?
Heritability depends on the environment. It is quite plausible that it is much more heritable in the modern environment than the pre-modern one.
I don’t want to discuss this, just to suggest that you might be very confused.