The logic behind adoption studies is that
a. only personality factors can be inherited.
b. if adopted children are similar to their adoptive parents on a given characteristic, then the expression of that characteristic is likely to be influenced by genetic factors.
c. only physical factors can be inherited.
d. if adopted children are similar to their adoptive parents on a given characteristic, then the expression of that characteristic is likely to be influenced by environmental factors.
Question 2
Which is a common criticism of twin studies?
a. Twin studies are better suited to identify environmental influences than genetic influences.
b. Fraternal twins tend to be treated more similarly than identical twins.
c. Twin studies overestimate the role of prenatal experiences on development.
d. Similarity in environmental experiences, not genetic similarity, may be the more important contributor to the similarity seen in twins.
Raphael, Studies for The Alba Madonna (verso).
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