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NEET AIPMT SOLVED PAPER MAINS 2010

  • question_answer
    In genetic engineering, a DNA- segment (gene) of interest, is transferred to the host cell through a vector. Consider the following four agents. (A-D) in this regard and select the correct option about which one or more of these can be used as a vector/vectors.
    [a] A bacterium                
    [b] Plasmid
    [c] Plasmodium                
    [d] Bacteriophage

    A)  A, B and D only                

    B)  A only

    C)  A and C only     

    D)  B and D only

    Correct Answer: D

    Solution :

    Plasmids are the extra chromosomal DNA found in bacterial cells. These are commonly used as vectors in genetic engineering programmes because these have the capacity of binding with eukaryotic DNA. Bacteriophage is a virus that is parasitic within a bacterium. These also, are the important tools in genetic engineering as cloning vectors.


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