12th Class Biology Molecular basis of Inheritance / विरासत का आणविक आधार Question Bank Case Based - Molecular Basis of Inheritance

  • question_answer
    Observe the diagram given below of a nucleosome model and answer the following questions.
    (iii) Linker DNA is

    A) a part of nucleosome

    B) a part that joins two octamer cores

    C) ssDNA

    D) Both [a] and [b]

    Correct Answer: D

    Solution :

    [d] Linker DNA is double-stranded DNA, 38-53 bp long in between two nucleosome cores that in association with histone HI, holds the cores (octamer) together. Linker DNA is seen as the string in the beads and string model. Thus, option [d] is correct.


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