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NEET AIPMT SOLVED PAPER 2002

  • question_answer
                    If a diploid cell is treated with colchicine, it becomes:                                                                     

    A)                 triploid            

    B)                 tetraploid           

    C)                 diploid   

    D)                 monoploid

    Correct Answer: B

    Solution :

                    Cholchicum autumnale provides an alkaloid called colchicine which is used in plant breeding for doubling the chromosome number. Treatment with 0.1% colchicine inhibits spindle formation so that chromatids fail to separate during anaphase.


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