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NEET Biology Molecular basis of Inheritance / विरासत का आणविक आधार Question Bank Self Evaluation Test - Molecular Basis of Inheritance

  • question_answer
    Chromatin structure must be altered in order for gene expression to occur because:

    A) Condensed chromatin is replicated but not transcribed.

    B) Condensed chromatin makes most DNA sequence inaccessible to the transcription complex.

    C) Decondensed   chromatin   has   more nucleosomes per DNA molecule.

    D) Heterochromatin is actively transcribed and euchromatin is not transcribed.

    Correct Answer: B

    Solution :

    [b] Nucleosomes   condense   the   DNA. Heterochromatin is transcriptionally inactive, while euchromatin is transcriptionally active.


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