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Unformatted text preview: . A man with type A blood marries a woman with type A blood. They have eight type A children,
one type O child. What are the genotypes of the father, mother, the eight type A children, and
the one type O child?
19. A man with group A blood marries a woman with group B blood. Their child has group O
blood. What are the genotypes of these individuals? What other genotypes, and in what
frequencies, would you expect in offspring from this marriage?
20. A man with type A blood marries three times. His first wife is type B. They have three children,
types AB, A and A. This man marries again, this time to a woman with type A blood. They
have two children, both type A. This man marries a type O woman, and they have four children,
all type A. What are the genotypes of all these people?
21. Color pattern in a species of duck is determined by a single pair of genes with three alleles.
Alleles H and I are codominant, and allele I is recessive to both. How many phenotypes are
possible in a flock of ducks that contains all the possible combinations of these three alleles? Ge...
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