A new study contradicts an earlier one that suggested a genetic basis for male homosexuality and led to much speculation about the existence of a "gay gene."
In 1993, researchers from the National Cancer Institute identified a region on the X…
This content is available exclusively to Chronicle subscribers
Already a subscriber?
Log in now
Not a subscriber yet?
Subscribe now for instant access to this article and thousands of others, data tables, and interactive charts — all available exclusively for Chronicle subscribers. Plus your subscription includes weekly print or digital delivery of The Chronicle and The Review and the Chronicle iPad® Edition.Subscribe Today