Determine the blood type of father

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The ABO blood group assorts independently of the Rhesus (Rh) blood group and the MN blood group. Three alleles, IA , IB , and i, occur at the ABO locus. Two alleles, R, a dominant allele producing Rh+, andr, a recessive allele for Rh?, are found at the Rh locus, and codominant alleles M and N occur at the MN locus. Each gene is autosomal.

A child with blood types B, Rh+, and M is born to a woman who has blood types O, Rh?, and M and a man who has blood types AB, Rh+, and M.
Determine the genotypes of each parent.

Mother's blood type is: ii rr MM

A) What is the father's blood type?

B) What proportion of children born to a man with genotype IAIB rr MN and a woman who is IAi Rr NN will have blood types A, Rh?, and NN? (Express answer in fraction)

C) A man with blood types B, Rh+, and N says he could not be the father of a child with blood types O, Rh?, and MN. The mother of the child has blood types A, Rh+, and MN. Can the man be the father?

 

Reference no: EM1395160

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