Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Chromosome 7q deletion ?
    ### Response:
    Chromosome 7q deletion is a chromosome abnormality that occurs when there is a missing copy of the genetic material located on the long arm (q) of chromosome 7. The severity of the condition and the signs and symptoms depend on the size and location of the deletion and which genes are involved.
    