Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of KBG syndrome ?
    ### Response:
    What are the signs and symptoms of KBG syndrome? KBG syndrome is often characterized by distinctive facial features, skeletal abnormalities, short stature, large upper teeth (macrodontia), and developmental delay or intellectual disability. However, the number and severity of symptoms can vary.
    