Now use the information that you learned about Hemophilia to complete your pedigree chart from Part two of this lesson. Indicate that James, Suzanne, John Jr. and John have hemophilia by shading in the symbols that represent them in the Pedigree Chart. 1. Explain in a sentence or two how hemophilia is inherited. Describe which parent gave John Jr the defective allele for hemophilia and explain how you know.