With your knowledge of mendelian inheritance what can

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Unformatted text preview: With your knowledge of Mendelian inheritance, what can you tell them if (a) both are normal, but each has one affected parent and the other parent has no family history of SCA; and (b) the man is affected by the disorder, but the woman has no family history of SCA? Genetics Problems/Knight2001 1 Multiple Alleles 11. Assume that blood type is inherited as A and B dominant over O, but A and B incompletely dominate over each other. Genotypes AA and AO are then phenotypically type A, genotypes BB and BO are type B, genotype AB is type AB, and genotype OO is type O blood. A man with type A blood marries a woman with type A blood. They have the first child as blood type O. What are the genotypes of the father, mother, and baby? 12. A man with type AB blood marries a woman with type O blood, but whose father was type A blood. What genotype would you expect their first child to have? 13. A man with type B blood marries a woman with type A blood. They have six type AB children. What are the genotypes of the father, mother, and children? 14...
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