Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Weaver syndrome ?
    ### Response:
    Weaver syndrome is a condition that involves tall stature with or without a large head size (macrocephaly), a variable degree of intellectual disability (usually mild), and characteristic facial features. These features can include a broad forehead; widely spaced eyes (hypertelorism); large, low-set ears; a dimpled chin, and a small lower jaw (micrognathia).
    