[econcon]

>Ah yes, the famously identified "career women" and "divorcee" genes with well-known genetic pathways.

It doesn't require direct genetic pathway, imagine if assertiveness or dominance is comes from specific hormone which comes from specific genes.

In such setting, people upholding specific culture if do not reproduce their culture disappears before a culture which is reproducing and indoctrinating future generation from the point they are born. It's much easier to influence a kid than a grown up adult.