Your mother has type A blood & your father has type B blood.You have blood type O. Your
parents are both heterozygous for the âHâ gene (remember what yourphenotype is if you are
âhhâ). A) What are your parents genotypes for the ABO & âHâgenes? B) Your parents are going
to have another child, what are probabilities that the child willhave blood type A, B, AB, or O?

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29 Sep 2019

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6. In human ABO blood typing, there are three alleles possible (I^A, I^B, i) that result in four blood types (A, B, AB, and O).

a) If one parent phenotype is type A blood and the other type B blood, and they have four children who represent all of the blood types, what are the genotypes of the parents?

b) Could a child of type O blood have a type A father and a type AB mother?

c) If the first child is type A blood, and his parents are type AB and type O, what is the chance that the second child would have type A blood?

1. This question refers to the ABO blood type locus. Rememberthat the A and B alleles are codominant to each other and both aredominant to the O allele. Assume no epistaticinteractions with the H locus.

A man has blood type B. Mark all genotypes below that arepossible for this man.

Select one or more: AA, AB, AO, BB,BO, OO

2.This question refers to the ABO blood type locus. Rememberthat the A and B alleles are codominant to each other and both aredominant to the O allele. Assume no epistaticinteractions with the H locus.

A woman is blood type B. Her child is blood type AB. She wantsto get child support from a man who is blood type A. Can this manbe the father of the woman's child based on these data?

Select one:Yes/No

3. This problem refers to the MN and ABO loci mentioned inclass. It also refers to the Rh locus, which is responsible for thepositive/negative part of the blood type. The Rh+ allele isdominant to the Rh- allele at this locus. Select all couples whocould be the parents of a child with phenotype M, AB- based on thephenotypes at these three loci. If none of these couples could bethe parents of this child, select "None of These".

Select one or more:

Mother Type M, A+ and Father Type N, B-

Mother Type MN, AB- and Father Type M, O-

Mother Type MN, B+ and Father Type N, O+

Mother Type MN, O+ and Father Type MN, A-

None of These

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2. A woman with type O blood in a polyandrous society has a child with type O blood. She is fairly certain that the father is the second of her two husbands.

a) His blood type is A. Is it possible that he is the father? Why?

b) If husband #2âs mother has type A blood and his father type AB, is possible that he is the father?

c) if both of his parents have type AB could he be the father?