Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Chromosome 14q deletion ?
    ### Response:
    Chromosome 14q deletion is a chromosome abnormality that occurs when there is a missing (deleted) copy of genetic material on the long arm (q) of chromosome 14. The severity of the condition and the signs and symptoms depend on the size and location of the deletion and which genes are involved.
    