Concept:Inherited diseases are passed from parents to offspring through defective genes or chromosomes.
Explanation:Sickle cell anemia is a genetic blood disorder caused by a mutation in the gene that controls hemoglobin production.
This defective gene is inherited from both parents, so the disease can run in families.
Pneumonia and whooping cough are infectious diseases caused by bacteria.
Malaria is an infectious disease caused by a Plasmodium parasite spread through mosquito bites.
These three diseases are acquired from pathogens in the environment, not through genes.
Genetic disorders are present from birth, while infectious diseases develop only after infection occurs.
Answer:C. Sickle cell anemia