Which Factor Is a Problem with the Assumption That the Similarities

question 32

Multiple Choice

Which factor is a problem with the assumption that the similarities of twins in the Minnesota Study are due to genetic factors?

• A) Not all of the twins were identical.
• B) The environments of the twins may have been similar.
• C) The adoptive parents and siblings were not compared to the biological twins and siblings.
• D) All of these factors are problems with the assumption.