Given the information below, determine which of the following is true.
1. When Anti-A serum is added to the blood, agglutination does not occur
2. When Anti-B serum is added to the blood, agglutination does not occur
3. When Anti-Rh serum is added to the blood, agglutination occur
Multiple Choice
The person is AB negative
The person is AB positive
The person is O negative
The person is O positive
None of the above