Dr. Lewis Thomas was a physician, researcher, and author of several books relating to the biological life of cells. In his famed work, "The Life of a Cell," Dr. Thomas writes the following: “The capacity to blunder slightly is the real marvel of DNA. Without this special attribute, we would still be anaerobic bacteria and there would be no music.”

What do you think he meant by this statement? Use information from your notes and class discussions to support your answer.