Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) 16q24.3 microdeletion syndrome ?
    ### Response:
    16q24.3 microdeletion syndrome is a chromosome abnormality that can affect many parts of the body. People with this condition are missing a small piece (deletion) of chromosome 16 at a location designated q24.3. Signs and symptoms may include developmental delay, characteristic facial features, seizures and autism spectrum disorder.
    