Punnett Squares and Blood Type
You are given this Punnett square that shows the blood alleles for two parents. One parent has blood type B with genotype BO. The other parent has blood type A with genotype AO. Use the Punnett square to answer the questions below about their offspring. Explain your answer.
Source 1
Punnett square with parent alleles and possible offspring genotypes.
Question 1
The parents have an offspring with blood type O. They find this surprising because neither of them have blood type O. How is this possible?
Question 2
What is the percent likelihood that their offspring will have the same GENOTYPE as either parent?
Question 3
Offspring with blood type AB have two dominant alleles, A and B. Recall the definitions of incomplete dominance and codominance. Do individuals with blood type AB demonstrate incomplete dominance or codominance?
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