A person’s blood type can be classified into different types according to the presence or absence of certain antigens. In this lab, you will investigate two of the most commonly used blood classification systems—the ABO blood group and the Rh factor. You will perform blood type tests in order to answer or resolve problems. Three different scenarios are presented—an accident victim in need of a transfusion, a blood donor, and a paternity question.If you would like to explore more background information about blood types, click on the more info button. This section covers the topics of ABO blood group, Rh factor, blood donors and recipients, the blood type test, and blood type inheritance. Use the data sheet to record your observations and results.