A Negative blood – 6%;If both parents belong to the blood group O, the child will also belong to the O blood group Two A blood group parents can give their child either A or O blood group Two B blood group parents can give their child either B or O blood group One parent with A and another with B will give their child either A, B, AB or O groups The most likely blood type for the child is A positive but A negative, O positive and O negative are also possible depending on the genotypes of the parents
The Hh Blood Group Blood Groups And Red Cell Antigens Ncbi Bookshelf