If having biological older brothers correlates to homosexuality, as claimed in your article, then we would expect that in the past, when families were larger, there would be a greater proportion of homosexuals. Is there any evidence for this?

Rick Norwood
Mountain Home, Tenn.

The article concludes with psychologist Daryl Bem inferring that male homosexuals are less aggressive than male heterosexuals. I thought that was part of the inaccurate stereotype of male homosexuals.

Jan McClure
Cardiff, Calif.

There’s no evidence on the question of homosexuality in large families of the past. Bem was referring to childhood traits. —B. Bower

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