12th Class Biology Molecular basis of inheritance

  • question_answer 44)   Distinguish between heterochromatin and euchromatin. Which of the two is transcriptionally active?

    Answer:

                      Densely packed and dark stained chromatinregions are called hetorochromation, while, loosely packed light stained regions are called euchromatin. Euchromation is transcriptionally active and is transcribed into mRNA. Due to verytightcoiling heterochromatin cannot be transcribed and is inert/inactive form.

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