More males being born is natural. I'm not sure you nailed the reason, though. To account for the early death rate of men in a hunter-gatherer state, the ratio would have to be WAY higher than 1.03-1.06. I think the mechanism is a slight increase in viability of male fetuses vs female?
More males being born is natural. I'm not sure you nailed the reason, though. To account for the early death rate of men in a hunter-gatherer state, the ratio would have to be WAY higher than 1.03-1.06. I think the mechanism is a slight increase in viability of male fetuses vs female?