The Conversation

Homosexuality may have evolved for social, not sexual reasons

16-01-2020 Author: Andrew Barron, Professor, Macquarie University

We propose same-sex attraction evolved to allow greater social integration and stronger same-sex social bonds. SHUTTERSTOCK

How did homosexuality in humans evolve?

Typically, this question is posed as a paradox.

The argument is this: gay sex alone can’t produce children, and for traits to evolve, they have to be passed onto children, who get...

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