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In humans , methylmalonyl acidemia is caused by a deficiency of L - methylmalonyl - CoA mutase ( MUT ) controlled by a gene that has been mapped to chromosome 6 .
 Anatomy: chromosome 6
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: chromosome 6