Concept:An inherited disease is a genetic disorder passed from parents to offspring through genes.Explanation:Pneumonia is an infection caused by bacteria or viruses, so it is not inherited.AIDS results from HIV infection and is not passed down through genes.Sickle cell anaemia is caused by a defective gene inherited from both parents.Goitre is usually due to iodine deficiency and is not a genetic inheritance.Thus, the only disease that can be inherited is sickle cell anaemia.Answer:C. sickle cell anaemia