Haemophilia is an inherited genetic disorder which hampers the ability of a person to clot the blood due to lack of clotting factors. It is inherited from parents through X chromosomes. It is an x-linked recessive disorder.
Thalassemia is an inherited blood disorder in which the body makes an abnormal form of haemoglobin. It causes the excessive destruction of RBC which may lead to anaemia. It is inherited as an autosomal recessive pattern.