Rh is a substance that most people have in their blood (Rh positive) but some people don't (Rh negative). A person who is Rh negative can be exposed to Rh positive blood through a mismatched blood transfusion or during pregnancy when the baby has the opposite blood type.
Influenced by Michael Jackson. 1  Christina Aguilera, American recording artist, singer-songwriter, actress, director, producer and entertainer. 2  BeyoncÃ©, American R&B, Pop singer. 3  Justin Bieber, Canadian pop singer-songwriter. 4  Austin Brown, American musician. 5  Chris Brown, American R&B singer.
Scroll down for video. Cherished: In honour of Michael Jackson's birthday, his children Paris (centre), Prince and Blanket (left) flocked to his hometown of Gary, Indiana for a touching celebration.