What Is the Primary Purpose of a Pedigree

What is the primary purpose of a pedigree?

A) To identify family members' places within a kindred and describe their medical history.
B) To establish which person within a kindred is responsible for introducing a genetic mutation into the family.
C) To determine the specific risk of any one family member to develop or pass on a genetic-based health problem.
D) To establish which person within a kindred is responsible for bringing the family to the attention of a genetics professional.