“Gay Gene” Makes Ladies Fertile?

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What a scientific week!

First the gay brain debate – and its potential social ramifications – and now there’s new work linking homosexuality and genetics, although this theory may need a bit of work:

Italian scientists have come up with an explanation for the puzzle as to why homosexuality, if it is hereditary, has not been eliminated from the gene pool to date, despite the fact that gay people are less likely to reproduce than heterosexuals.

Andrea Camperio-Ciani, an evolutionary psychologist at the University of Padova, says that homosexuality in males may be caused in part by genes that can increase fertility in females.

The researcher says that he and his colleagues have observed that some female relatives of gay men tend to have more children than average.

Camperio-Ciani went on to describe these genes as “sexually antagonistic,” meaning that increase a woman’s “fecundity,” while decreasing it in men. Does this men we gays aren’t fertile, because we were really hoping on using those sperm of ours!

The scientists, meanwhile, are going to get cracking on the “lesbian gene.” Apparently the gendered differences go deeper than just fertility…

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