مصادر الكيمياء موقع لتعليم الكيمياء بصورة مبسطة
Blood group antibodies (A, B, AB, O) that can destroy red blood cells bearing the antigen to which they are directed; also called “agglutinins.” These red-cell antigens are the phenotypic expression of inherited genes, and the frequency of the four main groups varies in populations throughout the world. The antigens of the ABO system are an integral part of the …
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