Biology · Human Circulatory System
What are the four primary human blood types in the ABO blood group system?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1AB, AO, B and O
- 2A, AB, BO and O
- 3A, B, AB and O✓
- 4AO, BO, A and B
Correct answer
A, B, AB and O
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