CMC Medical CMC-Medical Ludhiana Solved Paper-2009

  • question_answer
    In transgenics, expression of transgene in target tissue is determined by

    A)  enhancer                           

    B)  transgene

    C)  promoter                          

    D)  reporter

    Correct Answer: D

    Solution :

                    Reporter genes are used to determine whether a particular DNA construct has been successfully introduced into a cell, organ or tissue. Enhancer is a DNA sequence present within the control regions of many eukaryotic genes that can enhance transcription. A transgenic organism contains in its genome a gene or genes introduced by one or the other technique of transfection. The gene introduced by transfection is called transgene. Promoter is a cis- acting nucleotide sequence on a DNA molecule, which promotes the initiation of transcription.


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