NCIt definition : An autosomal recessive disorder that affects the production of beta polypeptide chains
which are necessary for the hemoglobin synthesis. Anemia and failure to thrive are
characteristic features.;
Alternative definition : NICHD: An autosomal recessive disorder that affects the production of beta polypeptide
chains that are necessary for hemoglobin synthesis. Anemia and failure to thrive are
characteristic features.;