Basis For Male Promiscuity Questioned

From Live Science:

Males are promiscuous and females are selective when choosing a mate, biologists have said for decades. But a new study finds it might not be that simple.

The study, published in this month's issue of the journal Trends in Ecology and Evolution, evaluated data on 18 populations – from Pitcairn Islanders to the Dogon of Mali – and found that on average, the variance in the number of children is greater for men than for women. This is about what you'd expect on the basis of long-time theory.

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