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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
The trisomy of 21st chromosome causes :
  • A
    Klinefelter's Syndrome
  • B
    Turner's Syndrome
  • C
    Sickle cell anaemia
  • ✓
    Down's Syndrome
✓

Answer

Correct option: D.
Down's Syndrome
D

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