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BHU PMT BHU PMT (Screening) Solved Paper-2005

  • question_answer
    Chromosome complement with \[\text{2n-1}\] is called as:

    A)  monosomy                       

    B)  nullisomy

    C)   trisomy                              

    D)  tetrasomy

    Correct Answer: A

    Solution :

                     Aneuploidy is the deletion or addition of one or a few chromosome from the original genomes e.g., (i) Monosomy is (\[2n-2\]) e.g.. Turner's syndrome. (ii) Nullisomy is (\[2n-2\]). (iii) Trisomy is (\[2n+2\]) e.g., Klinefelter's syndrome. (iv) Tetrasomy (\[2n+2\]).


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