Below is an instruction from Human. Write a response.
    ### Instruction:
    How to diagnose Chromosome 3p- syndrome ?
    ### Response:
    How is chromosome 3p- syndrome diagnosed? There are several different specialized tests that can be used to diagnose a chromosome 3p- syndrome. These include: Karyotype - a karyotype is a laboratory test that produces an image of a person's chromosomes. This test can be used to diagnose large deletions.
    