Male homosexuality has stumped evolutionary biologists and psychologists for decades. According to evolutionary theory, the highest goal is to pass on one's genes, yet homosexual males will father no direct offspring without the help of surrogates. Moreover, homosexuality seems to be at least partially heritable and is relatively common in developed societies. Why would such an evolutionarily costly trait be so prevalent?
Past studies have suggested that genes related to homosexuality might confer a mating advantage to heterosexuals expressing them, and that female relatives of homosexual males may receive a boost to fecundity. Evidence supporting those notions remains sparse, however.
Full Story: Could Wealth Inequality Lead to Homosexuality? | RealClearScience
Past studies have suggested that genes related to homosexuality might confer a mating advantage to heterosexuals expressing them, and that female relatives of homosexual males may receive a boost to fecundity. Evidence supporting those notions remains sparse, however.
Full Story: Could Wealth Inequality Lead to Homosexuality? | RealClearScience

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