Complex sentence: Many of these races are a genetic offshoot of the "Homo sapiens" or one of its Ancestors, but there are some races that were actually created from the many animals or other lifeforms on earth.
Split into simpler sentences: Many of these races are a genetic offshoot of the "Homo sapiens" or a related Ancestor. However, there are also some races that were actually created from the many animals or other lifeforms on earth.