Human Genetics Problem Set
Problem 19: Who is NOT the father of my grandson?
Correct!
"What are the
types that the fathers would have to be in order for him (grandson) to be a B+?"
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A.
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B or O
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B.
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A, B, AB or O
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C.
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AB or B
The child must be genotype BO. The mother is the source of the O-allele and the biological father is the source of the B-allele.
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D.
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A or B
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E.
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A, B, or AB
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The Biology Project
University of Arizona
Revised: November 5, 1998
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