a parasitic infection a mutation in DNA a bacterial disease an excess of ATP
I gave my students this multiple choice question: A rare genetic condition causes dwarfism and immunodeficiencies. Which of the following is the most likely cause of this condition?

Only one answer is correct among these 4 choices:
- a parasitic infection
- a mutation in DNA
- a bacterial disease
- an excess of ATP

Could you tell me which one is correct?

a mutation in DNA