A woman with B type blood gives birth to a baby with O type blood. Which of the following men could possibly be the baby’s father?  Tom O, Dick A, Harry B, or Sam AB.  Which could not possibly be the baby’s father?  Show your work.

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Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.