Human Diseases Caused by Defective Mitochondrial DNA Include All of the Following

Question

Human diseases caused by defective mitochondrial DNA include all of the following EXCEPT
A) sickle cell anemia.
B) forms of ataxia.
C) dystonia.
D) Parkinson's disease.
E) chorea.

Accepted Answer

Sickle cell anemia is caused by mutations in the hemoglobin gene, which is located on nuclear DNA and not on mitochondrial DNA. The other options listed are caused by defects in mitochondrial DNA.