Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) KBG syndrome ?
    ### Response:
    KBG syndrome is a rare condition characterized mainly by skeletal abnormalities, distinctive facial features, and intellectual disability. Specific signs and symptoms may include delayed bone age; abnormalities of the bones of the spine, ribs, and/or hands; large teeth (macrodontia); short stature; developmental delay; and behavioral or emotional issues.
    