| ABO blood type crosses http://www2s.biglobe.ne.jp/~hiroshin/blood_type/heredity_e.html | |||
| phenotype | genotype | ||
| parents | child | parents | child |
| OxO | O | OOxOO | OO |
| OxA | O, A | OOxAO OOxAA |
OO, AO AO |
| AxA | O, A | AOxAO AOxAA AAxAA |
OO, AO, AA AO, AA AA |
| OxB | O, B | OOxBO OOxBB |
OO, BO BO |
| BxB | O, B | BOxBO BOxBB BBxBB |
OO, BO, BB BO, BB BB |
| OxAB | A, B | OOxAB | AO, BO |
| AxAB | A, B, AB | AOxAB AAxAB |
AO, AA, BO, AB AA, AB |
| BxAB | A, B, AB | BOxAB BBxAB |
AO, BO, BB, AB BB, AB |
| ABxAB | A, B, AB | ABxAB | AA, BB, AB |
| AxB | O, A, B, AB | AOxBO AOxBB AAxBO AAxBB |
OO, AO, BO, AB BO, AB AO, AB AB |