J & K CET Medical J & K - CET Medical Solved Paper-2015

  • question_answer
    During meiosis\[-I,\] the number of chromosomes is

    A)  halved             

    B)  tripled

    C)  doubted            

    D)  quadrupled

    Correct Answer: A

    Solution :

     The meiosis occurs in two steps meiosis-I and meiosis-II. In meiosis-I. There is segregation of homologous pairs, i.e. paired chromosomes get separated and go to different gametes. So, the number of chromosomes becomes half in the two cells produced in meiosis-I. This is the reason it is called as reduction division. Meiosis-U is simply mitotic division in which two daughter cells produced in meiosis-I under go mitosis, thus produce four haploid daughter cells.


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