A-LevelBiologyImmunityFeb/Mar 2016Paper 1 Q391 Mark
A person's blood group is determined by antigens present on the red blood cells. The table shows the antigens and antibodies in the blood of people with different blood groups. During a blood transfusion, it is essential that the recipient's blood does not contain antibodies to the donor's blood. Which blood groups can be given to a person with blood group B? [Figure 39.1]
Aand B
BAB and B
CAB and O
Dand O
✓ Correct Answer
The correct answer is D. This question tests the candidate's understanding of immunity within the Biologysyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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