Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Wiedemann-Steiner syndrome ?
    ### Response:
    Wiedemann-Steiner syndrome is a rare genetic condition characterized by distinctive facial features, hairy elbows, short stature, and intellectual disability. This condition is caused by changes (mutations) in the KMT2A gene (also known as the MLL gene). It is inherited in an autosomal dominant manner.
    