Question

Which of the following is a genetic disease?

• A. Sickle cell anaemia
• B. Tuberculosis
• C. Severe Acute Respiratory Syndrome
• D. Acquired Immuno Deficiency Syndrome

Answer 1

The correct option is A Sickle cell anaemia

The term sickle cell disease (SCD) describes a group of inherited red blood cell disorders. People with SCD have abnormal haemoglobin, called haemoglobin S or sickle haemoglobin, in their red blood cells. The disease is passed by genes from parents to their children. SCD is not contagious. People who have SCD inherit two abnormal haemoglobin genes, one from each parent. In all forms of SCD, at least one of the two abnormal genes causes a person’s body to make haemoglobin S. When a person has two haemoglobin S genes, haemoglobin SS, the disease is called sickle cell anemia. This is the most common and often most severe kind of SCD. Haemoglobin SC disease and haemoglobin Sβ thalassemia are two other common forms of SCD.

Therefore, the correct answer is option A.