Hamer and colleagues discovered that homosexuality may be transmitted by genes on the ________ chromosome, which is passed from mother to son, not father to son.

Question

Quizplus · Accepted Answer

Hamer and colleagues discovered that a portion of the X chromosome, specifically the Xq28 region, may be involved in the development of homosexuality. This region is passed from mother to son, not father to son, which suggests a maternal genetic effect. Therefore, the correct choice is A - X chromosome.

Hamer and Colleagues Discovered That Homosexuality May Be Transmitted by Genes