Youth with histories of maltreatment have a higher risk of being convicted of a violent crime if they also possess the low-activity allele of the MAOA gene. This an example of what phenomenon?
A. Gene-environment interaction
B. Gene expression
C. Nature-nurture debate
D. Gene-environment correlation
Answer: A
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The Curtis family is made up of mom and dad, eight-year-old Susan, five-year-old Grant, and the identical twins Christopher and Carson. With regard to genetic make-up, Christopher is most similar to his:
A. mother B. father C. identical twin D. brother
What areas of the world have seen the greatest increase in HIV infections?
a. The U.S. and Europe b. The U.S. and Africa c. Central and South America d. Eastern Europe and Central Asia
Studies of rates of schizophrenia among adopted children have shown that
a. the presence of schizophrenia in the adopted parents correlated with schizophrenia in the adopted children. b. the presence of schizophrenia in the biological parents correlated with schizophrenia in the adopted children. c. the presence of schizophrenia in the adopted parents appeared to be as important as the presence of schizophrenia in the biological parents in predicting outcomes of the adopted children. d. neither schizophrenia in the adopted parents nor in the biological parents appeared related to the presence of schizophrenia in the adopted children.
Passionate love involves strong feelings of sexual attraction, infatuation, and arousal and is ordinarily seen at the beginning of a romantic relationship
Indicate whether the statement is true or false.