Biology 9700 · AS & A Level · Proteins

Proteins — practice question

A person’s blood group is determined by the antigens found on the red blood cells. The table lists the antigens and antibodies in the blood of people with the different blood groups. In a blood transfusion, the receiver must not have antibodies against the donor’s blood. Which blood groups may be transfused into a person with blood group B?

  • AA and B
  • BAB and B
  • CAB and O
  • DB and O

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI