What is absent in "negative" blood types like O negative and AB negative?

More Questions:

Which country was represented by the athlete Don Quarrie?

What color balloons were added to Lucky Charms in 1989?

What replaced the GameCube on November 19, 2006?

Which is the only book published by Margaret Mitchell during her lifetime?

Who is the protagonist in "The Hunger Games" book trilogy?

Anne Hathaway was married to what famous English poet?

Who first appeared in the 1939 children's book "Cecily G and the Nine Monkeys"?

Which island is the boot of Italy kicking?

Where were the 1960 Summer Olympics held?

In what country would you find the active volcano "Nyiragongo"?

The first satellites to visit Venus, Mars, & Mercury were all named what?

What did Francis Coppola call his re-edited version of the movie "Apocalypse Now"?

What is Indiana Jones a doctor of?

Where did Chris Farley’s SNL character Matt Foley live?

Who was "Time" magazine's first "person of the year"?