Kan grupları are determined by antigens on red blood cells and antibodies in plasma. The ABO system classifies blood into A, B, AB, and O types based on presence of A and B antigens. The Rh system determines positive or negative blood types. Understanding blood types is crucial for safe transfusions and preventing complications during pregnancy.
• ABO system has 4 phenotypes (A, B, AB, O) and 6 possible genotypes
• Rh system has 2 phenotypes (positive, negative) based on presence of Rh antigen
• MN system provides additional blood type classifications
• Blood type compatibility is essential for transfusions and preventing kan uyuşmazlığı
• Blood tests detect antigens and antibodies to determine a person's blood type