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STD 12 - 5. molecular basis of inheritance — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 5. molecular basis of inheritance1 Mark
MCQ
Choose incorrect sentence.
  • A
    $A$ typical nucleosome contains $200$ bp of $DNA$ helix.
  • B
    Nucleosomes constitute the repeating unit of a structure in nucleus called chromatin thread like stained (coloured) bodies seen in nucleus
  • ✓
    In a typical nucleus, some region of chromatin are loosely packed and are referred to heterochromatin.
  • D
    Euchromatin is said to be transcriptonally active chromatin, whereas heterochromatinis inactive.
✓

Answer

Correct option: C.
In a typical nucleus, some region of chromatin are loosely packed and are referred to heterochromatin.
c

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