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

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYPrinciples of Inheritance and Variation1 Mark
MCQ
The disease, sickle$-$cell anaemia, is caused by:
  • A
    Malarial infection
  • B
    Iron deficiency
  • C
    Poor hygiene
  • ✓
    None of the above
✓

Answer

Correct option: D.
None of the above

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