DUMET Medical DUMET Medical Solved Paper-2004

  • question_answer
    Monosomy and trisomy are respectively:

    A)  \[n-1,n+2\]   

    B)  \[2n+2,2n+1\]

    C)  \[2n-1,2n+1\]

    D)  \[n-2,2n+1\]

    Correct Answer: C

    Solution :

    The variation in chromosome number is called heteroploidy and can be categorized into euploidy (variation in entire set) and aneuploidy (variation of individual chromosome). When there is a loss of one chromosome from the homologous pair, this  is called monosomy (2\[n\] -1) and when there is addition of one chromosome from the homologous pair, this is called trisomy (2\[n\] + 1).


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