The last common ancestor is the most recent shared ancestor between two individuals or species. It can be determined through fossils or genetic information, but both methods have flaws. The last universal common ancestor lived between 3.6 and 4.2 billion years ago, while the last common ancestor of humans lived about 3,000 years ago. “Mitochondrial […]
LUCA is a hypothetical ancient microbe that is believed to be the universal common ancestor of all life on Earth. It lived between 3.6 and 4.1 billion years ago and had a simple microtubule-based locomotion system. Its characteristics can be extrapolated from what all life today has in common, including a genetic code based on […]
