If Max and Matt Are Identical Twins and You Know

question 35

Multiple Choice

If Max and Matt are identical twins and you know that Max has a psychological disorder,what can you say about Matt?

• A) Matt will definitely have the disorder as well.
• B) Matt has the same probability of having the disorder as the normal population.
• C) Matt has a greater likelihood of having the disorder than the normal population, but less than he would if he were a dizygotic twin.
• D) Matt is as likely to have the disorder as he would be if he was a non-twin sibling of Max.

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