• Alpha thalassemia silent carrier
• Alpha thalassemia minor, also called alpha thalassemia trait
• Hemoglobin H disease
• Alpha thalassemia major, also called hydrops fetalis
• Beta thalassemia minor, also called beta thalassemia trait
• Beta thalassemia intermedia
• Beta thalassemia major, also called Cooley's anemia or beta-zero (ß0) thalassemia
• Beta-plus (ß+) thalassemia
• Mediterranean anemia

Thalassemia is an autosmal recessive blood disease. That means that it is an inherited disease. Thalassemia in more common in Mediteranian people.

Thalassemia is an autosmal recessive blood disease. That means that it is an inherited disease. Thalassemia in more common in Mediteranian people.

Yes, A "carrier" of alpha thalassemia and of beta thalassemia can marry, but not to someone with any hemoglobinopathy.

Prof. Kornfeld Pal

Down syndrome results from a nondisjunction during cell division. That is, homologous chromosomes 21 fail to separate in meiosis I, or sister chromatids 21 during meiosis II or mitosis.

Down syndrome is caused by trisomy of chromosome 21 (an extra chromosome to the usual two), which is an autosomal chromosome. Therefore it is not a sex linked disorder.