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Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYMolecular Basis of Inheritance1 Mark
MCQ
Barr body in mammals represents:
  • A
    All the heterochromatin in female cells.
  • B
    Y-chromosomes in somatic cells of male.
  • C
    All heterochromatin in male and female cells.
  • D
    One of the two X-chromosomes in somatic cells of females.
✓

Answer

  1. One of the two X-chromosomes in somatic cells of females.

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