J & K CET Medical J & K - CET Medical Solved Paper-2001

  • question_answer
    Meiotic divisions are required for forming 100 zygotes/grain of wheat is :

    A)  100                                       

    B)  75

    C)  125                                       

    D)  50

    Correct Answer: C

    Solution :

                    In angiosperms the megaspore mother cell divide meiorically to form four haploid megaspores. Out of four haploid megaspores only one remain functional therefore 100 meiotic divisions are required for 100 megaspore formation. The microspore mother cells also divide meiorically to form four haploid microspores. The total meiotic divisions are \[100+25=125.\]


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