This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
All  of the following types of porphyria are autosomal dominant except: 
Select and explain. 
A. acute intermittent porphyria, B. Porphyria cutanea tarda, C. CEP (Congenital erythropoetic porphyria), D. Hereditary coproporphyria
C: CEP (Congenital erythropoetic porphyria)
Answer: C: CEP (Congenital erythropoetic porphyria) 
Explanation: Congenital erythropoietic porphyria which is Autosomal recessive.
PORPHYRIAS