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

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYPrinciples of Inheritance and Variation1 Mark
MCQ
A disease caused by an autosomal primary non-disjunction is.
  • A
    Down's syndrome.
  • B
    Klinefelter's syndrome.
  • C
    Turner's syndrome.
  • D
    Turner's syndrome.
✓

Answer

  1. Down's syndrome

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