Autosomal dominant inheritance: (A) Marfan syndrome, (B) Sickle cell anaemia, (C) Thallesemia, (D) Hereditary spherocytosis
Answer is A. Mutations involving single genes follow one of three patterns of inheritance: autosomal dominant, autosomal recessive, or X-linked. Autosomal Dominant Inheritance Familial hypercholesterolemia Polycystic kidney disease Hereditary spherocytosis Marfan syndrome Huntington disease (Robbins Basic Pathology,9th edition,pg no. 218)