Question 3
A man with blood group A marries a woman with blood group O and their daughter has blood group O. Is this information enough to tell you which of the traits – blood group A or O – is dominant? Why or why not?

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Solution

The dominance of a trait is tested over at least 3 generations. In the above discussed situation, data from only two generation is given. Hence it cannot be concluded which blood type is dominant.

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Question 3
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Question 3 A man with blood group A marries a woman with blood group O and their daughter has blood group O. Is this information enough to tell you which of the traits – blood group A or O – is dominant? Why or why not?

The dominance of a trait is tested over at least 3 generations. In the above discussed situation, data from only two generation is given. Hence it cannot be concluded which blood type is dominant.

Question 3
A man with blood group A marries a woman with blood group O and their daughter has blood group O. Is this information enough to tell you which of the traits – blood group A or O – is dominant? Why or why not?