One of the genetic variants was near genes associated with male baldness, suggesting a tie to sex hormones such as testosterone, and another was in an area rich in smell genes, which have been linked to sexual attraction. Two markers were shared by men and women, two were specific to men, and one was found only in women. Garish coloring ensures these chicks get fed By Eva Frederick Jan. Florida state legislator fears overreaction in probe of foreign research ties By Jeffrey Mervis Feb. Studies of families and twins have long suggested same-sex behavior has a genetic component.
Genetics may explain up to 25% of same-sex behavior, giant analysis reveals
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LGBTQ people might be more susceptible to mental illness because of societal pressures, the researchers note. A new study suggests many genes, each with small effects, may play a role in same-sex sexual behavior. The paper, published today in Science , builds on results presented by the same team at a meeting. Why did a Chinese university hire Charles Lieber to do battery research?