Biology · Blood Group
एंटीजन A और B के आधार पर मनुष्यों में कितने मुख्य रक्त समूह (ABO प्रणाली) पाए जाते हैं?
- 18 (Rh सहित)
- 23 (A, B, O)
- 32 (A, B)
- 44 (A, B, AB, O)✓
सही उत्तर देखें
4 (A, B, AB, O)
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