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  3. NEET

NEET NEET SOLVED PAPER 2017

  • question_answer
    A disease caused by an autosomal primary non-disjunction is                                                    

    A)  Sickle cell anemia

    B)  Down's syndrome

    C)   Klinefelter's syndrome

    D)   Turner's syndrome

    Correct Answer: B

    Solution :

                     Down?s syndrome is caused by non-disjunction of 21st  chromosome.


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