The time frame for the evolution of the genus `` Homo '' out of the chimpanzee -- human last common ancestor is roughly 10 to 2 million years ago , that of `` H. sapiens '' out of `` Homo erectus '' roughly 1.8 to 0.2 million years ago .
The time frame for the evolution of the genus `` Homo '' out of the last common ancestor is roughly 10 to 2 million years ago , that of `` H. sapiens '' out of `` Homo erectus '' roughly 1.8 to 0.2 million years ago .