Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Chondrodysplasia punctata 2 X-linked dominant ?
    ### Response:
    X-linked dominant chondrodysplasia punctata (CDPX2), also known as Conradi-Hnermann-Happle syndrome, is a rare form of skeletal dysplasia characterized by skeletal malformations, skin abnormalities, cataracts and short stature. The specific symptoms and severity of the disorder may vary greatly from one individual to another.
    