Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) 2q37 deletion syndrome ?
    ### Response:
    2q37 deletion syndrome is a condition that can affect many parts of the body. This condition is characterized by weak muscle tone (hypotonia) in infancy, mild to severe intellectual disability and developmental delay, behavioral problems, characteristic facial features, and other physical abnormalities.
    