Below is an instruction from Human. Write a response.
    ### Instruction:
    Is Myotonic dystrophy type 1 inherited ?
    ### Response:
    How is myotonic dystrophy type 1 inherited? Myotonic dystrophy type 1 is inherited in an autosomal dominant pattern, which means one copy of the altered gene in each cell is sufficient to cause the disorder. In most cases, an affected person has one affected parent.
    