Joe Is Homosexual and Has an Identical (Monozygotic) Twin Named

question 5

Multiple Choice

Joe is homosexual and has an identical (monozygotic) twin named Sam. Which of the following statements is true?

• A)Sam is more likely than the general population to be homosexual.
• B)Sam is no more likely than the general population to be homosexual.
• C)Sam is homosexual also.
• D)Sam is only likely to become homosexual if Joe is a positive role model.