AMU Medical AMU Solved Paper-2002

  • question_answer
    Mental retardation in man associated with sex chromosomal abnormality is usually due to

    A)  reduction in X complement

    B)  increase in X complement

    C)  moderate increase in Y complement

    D)  large increase in X complement

    Correct Answer: B

    Solution :

                     Increase in X-complement results in a abnormality called Klinefelters syndrome, which is characterised by the following characters; small testes, lack of sperm, in females late puberity with reduced sexual characteristic, usually a delicate and long limbed phsique, occasionally breast enlargement.


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