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| Joint Dominant | AA | Aa | aa | Joint Recessive | AA | Aa | aa |
| BB | 0 | 0 | 0 | BB | 0 | 0 | 0 |
| Bb | 0 | 1 | 1 | Bb | 0 | 0 | 0 |
| bb | 0 | 1 | 1 | bb | 0 | 0 | 1 |
| Modular | AA | Aa | aa | XOR | AA | Aa | aa |
| BB | 0 | 0 | 0 | BB | 0 | 0 | 1 |
| Bb | 0 | 0 | 1 | Bb | 0 | 0 | 1 |
| bb | 1 | 1 | 1 | bb | 1 | 1 | 0 |
| Diagonal | AA | Aa | aa | ||||
| BB | 1 | 0 | 0 | ||||
| Bb | 0 | 1 | 0 | ||||
| bb | 0 | 0 | 1 |
