Which of the following fatty acids is primarily responsible for the development of Refsum's disease, a rare genetic disorder?

A Oleic acid
B Linoleic acid
C Phytanic acid
D Arachidonic acid
Refsum's disease is a rare genetic disorder caused by the accumulation of phytanic acid, a branched-chain fatty acid, due to a deficiency in the enzyme alpha-oxidase.
Scriver's The Metabolic and Molecular Bases of Inherited Disease
Metabolic and Nutritional Disorders Genetic Disorders Refsum's Disease Hard MEDICAL Confidence: high