women a whole lot more!')"
Why would the Yanomamo pursue a way of life with such a high risk of violent death? The greater reproductive advantage of being a unokai is the obvious answer, a motivation that of course need not be conscious. Chimpanzees provide the same answer as the unokais, and bear an almost identical cost. In Gombe, some
30% of adult males died from aggression, the same toll as among the Yanomamo. A man or chimp may die defending his territory, but he still has a chance of propagating his genes. The males who may profit from his sacrifice are his relatives and carry many of the same genes. Raiders will be rewarded and have sons of similar character. That is the logic of patrilocality.
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