This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetics, Subject name: Medicine
[{'content': "Which one of the following neurological conditions is not inherited in autosomal dominant pattern \nSelect and explain. \nA. Neurofibromatosis, B. Friedreich's ataxia, C. Marfan's syndrome, D. None", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Friedreich ataxia Gene :FXN,locus:9q21.1 ; protein :frataxin; repeat GAA; normal: 7-34 ; Disease :34-80 (pre); >100 (full) Friedreich ataxia is an inherited condition that affects the nervous system and causes movement problems.This condition is caused by mutations in the FXN gene and is inherited in an autosomal recessive pattern Ref Robbins 9/e pg 168', 'role': 'assistant'}]