Practice question

Chargaff's second parity rule is the scientifically accurate answer to this question. Within the study of DNA, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of Chargaff's second parity rule directly address what is being asked. Among the other options, Chargaff's first parity rule, Both (a) and (b), and None do not correctly answer this question because they either refer to different concepts, describe properties of other molecules or processes, or represent common misconceptions about this topic.