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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
Sickle cell anemia is caused by:
  • A
    Complete absence of the haemoglobin gene
  • ✓
    Point mutation of the haemoglobin gene
  • C
    Increased affinity of haemoglobin for oxygen
  • D
    Truncation of the haemoglobin protein
✓

Answer

Correct option: B.
Point mutation of the haemoglobin gene

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