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NEET Biology Principle Of Inheritance And Variation Question Bank Critical Thinking

  • question_answer
    Persons with the following syndrome have a tendency of tall structure, mental defects and a strong antisocial behaviour [KCET 1994]

    A) XYY syndrome

    B) Down's syndrome

    C) Klinefelter's syndrome

    D) Turner's syndrome

    Correct Answer: A

    Solution :

    The extra y-chromosome is strongly male determining. The extra y-chromosome leads to over production of male hormone, which causes over aggressiveness. So XYY men are prone to violence, criminality and antisocial behaviour.


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