Jessica Alba
Here's another extraordinary case of genetics. It's amazing how much Jessica Alba looks like her grandmother, Cathy Alba, who was also a singer in her day. Jessica Alba is well-known for her inexhaustible skill and character, as well as being one of Hollywood's most gorgeous actors. So we now know where all of those great genes originated.
Opposing Brothers
Another case of siblings that appear to originate from two different families. In this case, the boys' father is Irish and their mother is Italian, and they couldn't have been born at a more contrasting moment. While one is influenced by his family's Italian ancestors, the other is influenced by his Irish relatives. Needless to say, no one believes the two of them are brothers when they go around together due to their contrasting DNA.