Which of the following accurately demonstrates the dna base pairing rule? a. a-t b. c-t c. g-a d. c-u how can scientists use dna in crime scene investigations? a. they analyze the size of the dna to determine where a crime was committed b. they analyze the gc content of the dna to determine how a crime was commited c. they analyze the sequence of bases in the dna to determine who committed a crime d. they analyze the age of the dna to determine when a crime was comitted