https://www.sciencedaily.com/releases/2 ... 133343.htm More Science Daily A mutational timer is built into the chemistry of DNA A mutational timer is built into the chemistry of A mutational timer is built into the chemistry of DNA ScienceDaily: https://www.sciencedaily.com/releases/2 ... 133343.htm https://www.sciencedaily.com/releases/2 ... 133343.htm A mutational timer is built into the chemistry of