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Evolutionary biologists have struggled to explain how pair bonding and the nuclear family structure took root in humans, as primate groups typically establish dominance-driven hierarchies that restrict mating privileges to a few high-ranking males.…Using simple mathematical models, Sergey Gavrilets revealed that the most commonly proposed theories for human pair bonding are biologically unrealistic.

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In addition, the “sexy sons” hypothesis states that women would have been eager to pass along dominant genes to their own offspring.

Sadalla, Kenrick, and Vershure (1987) published evidence indicating that women prefer men who are high in dominance over men who are low in dominance as potential dates (i.e., potential short-term relationship partners) and rate them as more attractive.

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For the purposes of these studies, they defined dominance as “forced or coerced leadership,” characterized by aggression and other domineering tactics in the pursuit of agentic self-interest.

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