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42. A woman has the ABO genotype AO. A man has the ABO genotype BO. What...

42. A woman has the ABO genotype AO. A man has the ABO genotype BO. What are the possible genotypes for their offspring? Pick all that apply.

a. AO

b. BO

c. AB

d. OO

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Answer #1

All the options are correct

ABO blood grouping is done to determine the blood type of an individual. It is based on the inherited properties of red blood cell as determined by the presence or absence of the antigen A and B , which are carried on the surface of the red cells. Therefore the people may have type A, type B, type O or type AB.

All the options are correct because offspring pick one from each parent which is A,B or O and while cross matching the genotypes of father( BO) and mother(AO), the possible genotypes of their offspring are AB,AO,BO and OO. A and B are dominant genes while O is recessive ,so we need two O to make O bloodgroup, but one A or B is enough to get their respective bloodgroups.  

Therefore all the options are correct

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