More recent research has propped up Darwin's theory of common descent (also called common ancestry): genome analysis reveals the genetic difference between humans and chimps to be less than 2 percent.

Universal common ancestry (UCA), the idea that all terrestrial life is genetically related, from some “warm little pond” as Darwin put it, has become central to modern evolutionary theory. The ...

Since the mid-1800s, biologists have generally shared the belief that all living things descended from a single common ancestor. Based on fossil evidence and comparative anatomy, Charles Darwin ...