
Corey M. answered 11/07/19
Ivy League trained professional specializing in science and math.
All children will have a type B blood phenotype, but the exact genotype will vary. When you perform the cross using a Punnett Square, 50% of the children have a BB genotype, while the other 50% are BO.
For visual:
B | O
B | BB | BO |
B | BB | BO |