Research on behavioral genetics suggests that, for psychological variables such as personality characteristics, the most important environmental influences are likely to be those ____.
a. shared by family members who live together
b. not shared by family members in general
c. shared by genetically related family members
d. not shared by family members of the same sex
Question 2
Molly and Milly are identical twins. Molly has been diagnosed with schizophrenia. Which statement about Milly is true?
a. Milly will eventually be diagnosed with schizophrenia.
b. Environmental factors will play a large role in whether Milly is ever diagnosed with schizophrenia.
c. Genetic factors alone will determine whether Milly is ever diagnosed with schizophrenia.
d. Milly will never develop schizophrenia.
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