Codominance, Blood type

Which statement is true in determining the phenotype for the ABO blood system?

• O is dominant over A

• B is dominant over A

• O is dominant

• A and B is codominant

Which term(s) best describes the inheritance of human blood types?

• incomplete dominance and multiple alleles

• codominance and epistasis

• codominance and multiple alleles

• incomplete dominance and codominance

A personal with type AB blood has which genotype?

• type A

• AA

• I^AI^A

• I^AI^B

What are the blood types of the possible children that a woman (type O) and man (type AB) can have?

• O and AB

• O and A

• O and B

• A and B

If the offsprings have the blood groups O and A the genotype of parents would be

• I^AI^A and I^Ai

• I^A i and ii

• I^AI^A and I^AI^A

• I^A i and I^Bi

If a person has type B blood, the phenotype is B. What can the genotype be?

• I^BI^B or I^Bi

• I^AI^A or I^Ai

• I^AI^B

• ii

A person with a Type O Phenotype would have what potential genotypes?

• I^BI^B

• I^Bi

• ii

• I^AI^B

A man with type O blood has children with a woman who is heterozygous for type A blood. What is the probability that their children will have type A blood?

• 0%

• 25%

• 50%

• 75%