







| Blood Type | Compatible with ... | Theoretical Probability |
|---|---|---|
| O+ | O-, O+ | .38+.08 = .46 |
| O- | O- | .08 = .08 |
| A+ | O-, O+, A+, A- | .32+.07+.38+.08 = .85 |
| A- | O-, A- | .07+.08 = .15 |
| B+ | O-, O+, B+, B- | .09+.02+.38+.08 = .57 |
| B- | O-, B- | .02+.08 = .10 |
| AB+ | O-, O+, A+, A-, B+, B-, AB+, AB- | .32+.07+.09+ .02+.03+.01+ .38+.08 = 1.00 |
| AB- | O-, A-, B-, AB- | .07+.02+.01+.08=.18 |
| Blood Type | Compatible with ... | Can donate to... |
|---|---|---|
| O+ | O-, O+ | O+, A+, B+, AB+ |
| O- | O- | O-, O+, A+, A-, B+, B-, AB+, AB- |
| A+ | O-, O+, A+, A- | A+, AB+ |
| A- | O-, A- | A+, A-, AB+, AB- |
| B+ | O-, O+, B+, B- | B+, AB+ |
| B- | O-, B- | B+, B-, AB+, AB- |
| AB+ | O-, O+, A+, A-, B+, B-, AB+, AB- | AB+ |
| AB- | O-, A-, B-, AB- | AB+, AB- |