841. In a blood sample antiserum A and antiserum B and Rh+ ve factor is added. No agglutination is seen. This is_______________? September 27, 2025 by Admin A. O group and Rh+ ve B. O group and Rh- ve C. AB group and Rh+ ve D. AB group and Rh – ve ✅ The correct answer is option B. O group and Rh- ve.