Nucleus: Structure, Chromatin, Nucleolus · Zoology

Which region of chromatin is typically rich in repetitive DNA sequences?

  1. Euchromatin
  2. Facultative heterochromatin
  3. Constitutive heterochromatin
  4. Nucleolar organizer chromatin
Show answer and explanation

Correct answer: Constitutive heterochromatin

Constitutive heterochromatin contains repetitive DNA sequences and remains condensed throughout the cell cycle. It plays a structural role at centromeres and telomeres.

Difficulty: Medium Question 19 of 20

Practice all 20 Nucleus: Structure, Chromatin, Nucleolus questions

Keep practicing

More Nucleus: Structure, Chromatin, Nucleolus questions