3 rows Each biological parent donates one of their two alleles to make up the child's blood group SoDetermining Blood Type Compatability The following blood type chart can be used to determine both blood type compatibility and likely offspring blood type Use the information to uncover the blood type of a child born to parents with the blood types listed Please also consult your physician regarding ABO and Rh incompatibility This is because Onegative is the universal blood type, meaning any other blood type may receive it (see our blood type compatibility chart here) This can quickly deplete the stores of Onegative that blood centers have on the shelves And while 45% of the population is type O, less than 7% is Onegative
Rarest Blood Type Chart And Compatibility