Thecause of osteogenesis imperfecta of the X and XI types isa violation of the processing and cross-linking of collagendue to mutations in the SERPINH1 and FKBP10 genes, respectively.Mutations in the PLOD2 and BMP1 genes lead toincomplete type XII osteogenesis. Here, FKBP10 is linked to osteogenesis imperfecta.