The finding that people with one type of serotonin transporter gene and childhood maltreatment had higher
rates of depression than either those without the gene or those with the gene without the maltreatment
suggests that
A) only one type of gene causes depression.
B) both a gene and certain environmental factors need to be present to cause depression.
C) childhood maltreatment causes depression.
D) either a gene or certain environmental factors need to be present to cause depression.
B
Psychology
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A. premorbid history B. prognosis C. homeostasis D. developmental history
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A common factor found in persons with AIDS is
a. immune system dysfunction b. dementia c. pneumocystis carinii pneumonia d. hemophilia e. Kaposi's sarcoma
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