The disorder causes red blood cells to tender into a sickle shape which clogs the arteries.Persistant pain and life-threatening infections resultant role from the illness. About one in 400 black newborns in the U.S. have sickle cell anemia. And one in 12 black Americans carry the sickle cell indication (http://www.medaccess.com/h_ child/sickle/sca_01.htm). This leaves a good chance that the parent with the trait can pass the defect onto offspring alt...If you want to abridge a full essay, order it on our website: Orderessay
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