The long career of my DNA
History of my DNA I know my DNA has been alive since life first appeared on earth. I want you to estimate how many generations of life forms led up to me, broken out by whether it was RNA or DNA, and from microbes through the most primitive life forms up through primates to me, so that I can say "My DNA has accumulated the life experiences of (e.g.) twenty billion separate individuals." Sources en.wikipedia.org favicon humanorigins.si.edu favicon smithsonianmag.com favicon Answer While it's an intriguing concept, calculating the exact number of generations leading up to a modern human is not possible with our current scientific knowledge. However, I can provide a rough estimate based on what we know about the history of life on Earth and human evolution. Here's an approximate breakdown: · RNA World to DNA-based life: ~500 million to 1 billion years · ...