Thelassemia diseases can be divided into many sub species as disorders of protein that produces red blood cells is a common species of thelassemia alpha (Alpha thalassemia) species and thelassemia beta (Beta thalassemia), each of which broken yet another species, many species depend on a pair of genes that are wrong. Normal.
Man/child who has genes from Dad or mom hemisphere hemisphere alone has not been classified as a disease, thelassemia, also known as a concentrate thelassemia (Thalassemia trait) typically do not have symptoms, which if blood tests (CBC, Complete Blood Count) may have just found a little pale.