Slindile and her four sisters are all artistically inclined and enjoy working on creative projects. When she meets her three cousins for the first time, Slindile is somewhat surprised to

Slindile and her four sisters are all artistically inclined and enjoy working on creative projects. When she meets her three cousins for the first time, Slindile is somewhat surprised to find that none of them have any interest at all in art. The differences between Slindile’s sisters and her cousins could be used as evidence to suggest that
A) environmental factors have more influence than genetic factors in artistic interest.
B) both genetic and environmental factors contribute equally to artistic interest.
C) neither genetic nor environmental factors contribute to artistic interest.
D) genetic factors have more influence than environmental factors in artistic interest.

Londra and Sondra are identical twins who have been raised together in the same home. Londra has developed a psychological disorder, but Sondra does not appear to have the same

Londra and Sondra are identical twins who have been raised together in the same home. Londra has developed a psychological disorder, but Sondra does not appear to have the same disorder. This information could be used as evidence to suggest that
A) genetic factors have more influence than environmental factors in this disorder.
B) environmental factors have more influence than genetic factors in this disorder.
C) both genetic and environmental factors contribute equally to this disorder.
D) neither genetic nor environmental factors contribute to this disorder.

Donald and Ronald are identical twins who have been raised apart, in separate adoptive homes. However, both brothers have developed the same psychological disorder. This information could be used as

Donald and Ronald are identical twins who have been raised apart, in separate adoptive homes. However, both brothers have developed the same psychological disorder. This information could be used as evidence to suggest that
A) environmental factors have more influence than genetic factors in this disorder.
B) both genetic and environmental factors contribute equally to this disorder.
C) genetic factors have more influence than environmental factors in this disorder.
D) neither genetic nor environmental factors contribute to this disorder.