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 …
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