Around half of all people, including straight men and women, could carry “gay genes”, meaning that they continue to be passed down the generations despite the tendency of homosexuals not to have children, new research suggests.The sisters of gay men tend to have more children, helping explain the persistence of homosexuality in larger populations,

while straight men may also carry genes predisposing them to being gay, the study found. Research by Giorgi Chaladze, of Ilia State University in Tbilisi, Georgia, used a computational model to look at the influence of genes and heredity on homosexuality, and its presence throughout human history and in all cultures. FULL REPORT


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