Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the genetic changes related to fibrochondrogenesis ?
    ### Response:
    Fibrochondrogenesis can result from mutations in the COL11A1 or COL11A2 gene. These genes provide instructions for making components of type XI collagen, which is a complex molecule that gives structure and strength to the connective tissues that support the body's joints and organs.
    