Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Chromosome 16p13.3 deletion syndrome ?
    ### Response:
    Chromosome 16p13.3 deletion 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 p13.3. Although once thought to be a severe form of Rubinstein-Taybi syndrome, it is now emerging as a unique syndrome.
    