Extensions to Mendel Video Lessons

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Problem: Mother and father with blood types A and B, respectively, have a child with blood type O (blood group inheritance is codominant). What fraction of their children is expected to have blood type A?A. 0B. 1/2C. 1/4D. 1

FREE Expert Solution

The Punnet square for this cross is shown below. Remember that blood types A and B exhibit a type of codominance to type O. This means that type O blood will not be expessed when their genotype has either type A, type B, or both. If, in case, both are expressed, the individual would have type AB.

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Problem Details

Mother and father with blood types A and B, respectively, have a child with blood type O (blood group inheritance is codominant). What fraction of their children is expected to have blood type A?

A. 0

B. 1/2

C. 1/4

D. 1

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