A molecular biologist is evaluating evidence from an investigation of a crime. The evidence includes a DNA sample obtained at the crime scene, as well as a DNA sample of a suspect. To determine whether the two DNA samples match, which sections of each sample should the molecular biologist compare?

A. sections that contain genes with known functions
B. sections with repeated sequences between genes
C. sections that contain genes with unknown functions
D. sections from either the X chromosome or Y chromosome