Blood type can be expressed using the alleles A, B, and O. Rh factor can be expressed using Rorr. The presence of Rh factor is dominant (R), and
would give people + blood. A man gets into a serious car accident and
requires a blood transfusion. He has blood type O+ and he knows that his
dad had blood type O-. His wife and children would like to provide the
blood needed for the transfusion. His wife knows that her blood type is A+
and that her mother had type O-blood. What is the genotype of the man,
his father, the man's wife, and her mother?
, ?