There is research that indicates a tendency for homosexuality,which is influenced by

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Research suggests that homosexuality is influenced by genetic factors, particularly genes on the X chromosome that are inherited from the mother. Studies have found that gay men have more older brothers than heterosexual men, and this effect is believed to be due to a maternal immune response to male-specific antigens on the Y chromosome during fetal development, which affects subsequent pregnancies and increases the likelihood of a male fetus being gay. However, there is no evidence to support the idea that homosexuality is caused by a problem during delivery.

There Is Research That Indicates a Tendency for Homosexuality,which Is