Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of MECP2 duplication syndrome ?
    ### Response:
    What are the signs and symptoms of MECP2 duplication syndrome? MECP2 duplication syndrome is a condition that occurs almost exclusively in males and is characterized by moderate to severe intellectual disability. Infants affected by this condition are generally diagnosed with severe hypotonia within the first few weeks of life.
    