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Principles of Inheritance and Variations — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYPrinciples of Inheritance and Variations1 Mark
MCQ
Down's syndrome is a :
  • A
    Mendelian disorder
  • ✓
    Chromosomal disorder
  • C
    Can be (a) or (b)
  • D
    None of these
✓

Answer

Correct option: B.
Chromosomal disorder
B

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