Which Adoption Studies About the Influence of Genetics on the Development

Which adoption studies about the influence of genetics on the development of psychiatric disorders were described by Knowles? Select all that apply.

A) Studies in which children whose biological parents had a psychiatric disorder were raised by adoptive parents who did not have a psychiatric disorder
B) Studies in which children whose biological parents did not have a psychiatric disorder were raised by adoptive parents who had a psychiatric disorder
C) Studies in which children were raised together by biological parents who had a psychiatric disorder
D) Studies in which children whose biological parents had a psychiatric disorder were raised by adoptive parents who also had a psychiatric disorder
E) Studies in which children whose biological parents had a psychiatric disorder were raised by biological relatives who had a psychiatric disorder