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NEET Sample Paper NEET Sample Test Paper-76

  • question_answer
                                          Mental retardation is commonly associated with genetic diseas as, but it is not related with one of the genetic defect.

    A)  trisomy 21

    B)  phenylalanine hydroxylase

    C)  myelinisation of neuron

    D)  Y-chromosome

    Correct Answer: D

    Solution :

    Y-chromosome. Mental retardation is not related with Y-chromosome. In human, function Y-chromosome is less and it controls the maleness, i.e., body hairs, testes, etc.


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