The short version of an androgen receptor gene occurs more frequently in men who
A) have altruistic tendencies.
B) have high levels of empathy.
C) live in a culture of honor.
D) have been convicted of a violent crime.
Answer: D
Rationale: In one study, investigators examined the androgen receptor gene of 645 men, 374 of whom had been convicted of murder or rape, and compared it to the androgen receptor gene of the 271 controls, who had no violent history. The criminal males were statistically more likely to have inherited the short version of the androgen receptor gene.
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