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NEET AIPMT SOLVED PAPER 2001

  • question_answer
                                      Gene and cistron words are sometimes used synonymously because:                                   

    A)                 one cistron contains many genes             

    B)                 one gene contains many cistrons

    C)                 one gene contains one cistron  

    D)                 one gene contains no cistron

    Correct Answer: C

    Solution :

                    Gene (Greek ; genos, birth, race) is the basic unit of heredity. It is a sequence of DNA nucleotides on a chromosome that encodes polypeptide or RNA molecule and so determines the nature of individual's inherited traits. Cistron is a segment of DNA that codes for one polypeptide. Cistron is generally accepted as a synonym for gene.


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