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  3. Biology may not be destiny, but genes apparently have a far greater influence on human behavior than is commonly thought. Simila

Biology may not be destiny, but genes apparently have a far greater influence on human behavior than is commonly thought. Simila

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问题     Biology may not be destiny, but genes apparently have a far greater influence on human behavior than is commonly thought. Similarities ranging from phobias to hobbies to bodily gestures are being found in pairs of twins separated at birth.
    Professor Bouchard of the University of Minnesota reports that so far, exhaustive psychological tests and questionnaires have been completed with approximately 50 pairs of identical twins reared apart, 25 pairs of fraternal twins reared apart, and comparison groups of twins reared together. Studies show that twins rend to have similar mannerisms, gestures, speed and tempo in talking, habits and jokes.
    Many of the twins dressed in similar fashion. One pair had practically the same items in the toilet cases, including the same brand of cologne and a Swedish brand of toothpaste.
    Twins also tend to have similar hobbies and interests—a male pair had similar workshops in their basements and a female pair had strikingly similar kitchen arrangements.
    Bouchard doesn’t have enough information on abnormal behavior or psychopathology to make generalizations, but he has found repeated similarities. One pair of women were both very superstitious; another pair would burst into tears at the drop of a hat, and questioning revealed that both had done so since childhood.
    Overall the emerging findings of the study constitute a powerful rebuttal to those who maintain that environmental influences are primary shaping forces of personality. The textbooks are going to have to be rewritten, Bouchard predicts.
It can be inferred from the passage that______.
选项 A、identical twins have the same parents while fraternal twins do not
B、identical twins are of the same sex while fraternal twins are not
C、there are a few differences between identical twins and fraternal twins in terms of behavior
D、twins have many similarities between twins in behavior no matter whether they are identical or fraternal
答案D
解析 推理题。从第二段的最后一句可知，无论是identical还是fraternal的双胞胎，他们的行为举止、兴趣爱好等等都趋于相同。
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