This problem set is based on questions received from real people who have real questions about their parents or about the father of their child or grandchild. In an attempt to answer these interesting questions, we will learn about the inheritance of blood types and Rh factors. Compare your answers with Professor Hallick's.

Instructions: The following problems have multiple choice answers. Correct answers are reinforced with a brief explanation. Incorrect answers are linked to tutorials to help solve the problem.

1. Is a type O possible in this situation?
2. Possible blood types of offspring
3. What blood type would the father be?
4. What are the potential blood types of the father of my son?
5. Who is NOT the father of my grandson?
6. Do we all have the same biological father?