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Problem: Complete the Punnet square and answer the questions below given only the following:John's parents are Donna, a carrier for Hemophilia A, and Tony who does not have Hemophilia A.What is the probability the John would:A. have Hemophilia A?B. not have Hemophilia A?

FREE Expert Solution

John is a male with an XY for a set of sex chromosomes. The father's Y chromosome is always passed on to his sons. The chromosomes of an individual is contributed by both parents. Thus, the X chromosome could only come from his mother.

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Problem Details

Complete the Punnet square and answer the questions below given only the following:

John's parents are Donna, a carrier for Hemophilia A, and Tony who does not have Hemophilia A.

What is the probability the John would:

A. have Hemophilia A?

B. not have Hemophilia A?

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What scientific concept do you need to know in order to solve this problem?

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