Biology · Circulatory System
रुधिर वर्ग 'A' में लाल रक्त कोशिकाओं की सतह पर कौन सा प्रतिजन (एंटीजन) पाया जाता है?
- 1कोई प्रतिजन नहीं
- 2प्रतिजन A तथा B दोनों
- 3प्रतिजन B
- 4प्रतिजन A✓
सही उत्तर देखें
प्रतिजन A
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