Jenna Is Trying to Construct a Pedigree for the Occurrence

Multiple Choice

Jenna is trying to construct a pedigree for the occurrence of red hair in her family. She has two sisters (one older and one younger) , and Jenna is the only one in her family who has red hair. What will be components of Jenna's pedigree?

A) a line connecting her mother and father, and three colored squares representing Jenna and her sisters
B) one colored circle, three empty circles, and one empty square all in a line, representing Jenna, her mother and sisters, and her father, respectively
C) a line connecting her mother and father, and three colored circles representing Jenna and her sisters
D) a line connecting her mother and father, and a colored circled on the left side beneath Jenna's parents, representing her youngest sister
E) a line connecting her mother and father, a colored circle representing Jenna, and two empty circles representing her sisters