| Answer | Crossword Clue |
|---|---|
| APOS | Common blood type, briefly |
| OPOSITIVE | Common blood type |
| APOS | Common blood type: Abbr. |
| OPOSITIVE | Most common blood type |
| OPOSITIVETHINKER | Philosopher with the most common blood type? |
| OPOSITIVE | Most common blood type among U.S. residents |
| BNEG | Blood type, briefly |
| ONEG | Blood type, briefly |
| APOS | Blood type, briefly |
| ONEG | Certain blood type, briefly |
| ANEG | Certain blood type, briefly |
| ANEG | Rare blood type, briefly |
| ANEG | Uncommon blood type, briefly |
| BNEG | Uncommon blood type, briefly |
| ONEG | Universal donor's blood type, briefly |
| ONEG | Universal donor blood type, briefly |
| ONEG | Blood type of a universal donor, briefly |
