Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the genetic changes related to osteopetrosis ?
    ### Response:
    Mutations in at least nine genes cause the various types of osteopetrosis. Mutations in the CLCN7 gene are responsible for about 75 percent of cases of autosomal dominant osteopetrosis, 10 to 15 percent of cases of autosomal recessive osteopetrosis, and all known cases of intermediate autosomal osteopetrosis.
    