Assume that DNA molecules are studied in a variety of organisms and found to have the following properties. Which property would be consistent with the hypothesis that genetic material is composed of DNA?

• A. DNA in all organisms is composed of the same nucleotides.
• B. DNA in an organism remains constant as the organism ages.
• C. DNA from two different organisms has the same base composition.
• D. DNA is different in two different cells of the same organism.