It was suspected that two babies had been switched in a hospital.  Mr. and Mrs. Brown received baby #1 and Mr. and Mrs. Green received baby #2.  Blood typing tests on the parents and the babies showed the following:

Mr. Brown:  Type A
Mr. Green:  Type AB
Mrs. Brown:  Type O
Mrs. Green:  Type O
Baby #1:  Type A
Baby #2:  Type O

Did both families get the right baby?  Why?  Do Punnett squares to help you solve this problem.

a.  What is the probability that Mr. & Mrs. Brown will have a child with Type A blood if Mr. Brown has genotype AA?
b. What is the probability that Mr. & Mrs. Brown will have a child with Type A blood if Mr. Brown has genotype AO?
c.What is the probability that Mr. & Mrs. Brown will have a child with Type O blood if Mr. Brown has genotype AO?
d.What is the probability that Mr. & Mrs. Green will have a child with Type O blood?

Answer rating: 100% (QA)

Solution If Mr Browns blood group is A his genotype could be either AA or AO and Mrs Brown blood gro... View the full answer