<s>[INST] <<SYS>> This is a medical question of type : inheritance <</SYS>> Is cap myopathy inherited ? [/INST] Cap myopathy is an autosomal dominant condition, which means one copy of the altered gene in each cell is sufficient to cause the disorder. Most cases are not inherited; they result from new mutations in the gene and occur in people with no history of the disorder in their family. </s>