Parents Father Mother 1 A B 2 AB O 3 O B 4 B AB 5 O A Which of the parents listed above could have children with blood type O and/or blood type AB? Select one: a. Parents 5 b. Parents 1 c. Parents 4 d. Parents 3 e. Parents 2

In humans, unattached earlobes (E) are dominant to attached earlobes (e). If a child is born with unattached earlobes, and a mother with attached earlobes, and a dad with unattached earlobes, what is genotype of the dad? O a. EE or Ee O b. ee O c. Ee O d. Ee or ee O e. EE

A. For the following genotypes state the ABO blood phenotype. JAJA |B|O_ 101⁰_ |A|B_ B. Using genetic diagrams, show how it is possible for a couple with a type A mother and a type B father can have a child with type O blood. C. Using genetic diagrams show how a type AB person with a type O partner have offspring that share neither of their phenotypes.

1 p The pedigree below shows the blood types of the Jones family. Review the pedigree and determine the possible genotype(s) of individual 12. AB AB #11 #12 #13 O a. AA O b. 1A Oc. i O d. Only a and b are possible genotypes O e. All of these are possible genotypes

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Which of the following is a homozygous representation? O a. Bb O b. Aa O C. xHxh Od.aa