Which of the Following Statements About Possible Biological Influences on Homosexuality

Multiple Choice

Which of the following statements about possible biological influences on homosexuality is FALSE?

A) Identical twins are more likely than fraternal twins to have the same sexual orientation.
B) Several parts of the hypothalamus are larger in heterosexual men than in homosexual men.
C) The suprachiasmic nucleus in gay men is similar in shape to that in women.
D) Part of the corpus callosum is larger in gay men than in straight men, and is larger in women than in men.