Biology · Blood Group
How many main blood groups (ABO system) are found in humans based on antigens A and B?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 14 (A, B, AB, O)✓
- 22 (A, B)
- 33 (A, B, O)
- 48 (Including Rh)
Correct answer
4 (A, B, AB, O)
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