<unk> <unk>  anemia is a<unk>  passed down through families in which red blood<unk> s form an abnormal crescent shape. (Red blood<unk> s are normally shaped like a disc.)
Sickle-cell disease
Alkaptonuria
Thalassemia
Argininemia
Hemoglobinopathy
Hereditary spherocytosis
Cryoglobulinemia
Trimethylaminuria