Holt Modern Biology 1st Edition by John Postlethwait ,Janet Hopson

Exercise 7

INTERPRETING GRAPHICS: The image below is a pedigree showing the inheritance of hemophilia in a family. Use the pedigree to answer the question that follows. A Pedigree of Hemophilia

Which type of inheritance pattern is associated with hemophilia?
A) autosomal recessive
B) sex-linked dominant
C) sex-linked recessive
D) autosomal dominant