Mesh : Amino Sugars / biosynthesis blood chemistry genetics Animals Antibodies / metabolism Carbohydrate Sequence Erythrocytes, Abnormal / metabolism pathology Erythropoiesis Gene Expression Regulation, Developmental Genetic Predisposition to Disease Hematologic Diseases / blood Humans I Blood-Group System / biosynthesis blood chemistry genetics Molecular Sequence Data Polymorphism, Genetic Polysaccharides / biosynthesis blood chemistry genetics Protein Transport