Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the genetic changes related to 15q24 microdeletion ?
    ### Response:
    People with a 15q24 microdeletion are missing between 1.7 million and 6.1 million DNA building blocks (base pairs), also written as 1.7-6.1 megabases (Mb), at position q24 on chromosome 15. The exact size of the deletion varies, but all individuals are missing the same 1.
    