Red-green color blindness is an X-linked recessive disorder that is passed through generations and can be traced by using a pedigree.
A pedigree is shown. Sam, Bella, Joshua, and Tim have filled-in shapes. Lisa and Monica have half-filled shapes.
Which individuals in the pedigree are identified and labeled carriers for red-green color blindness?
A. Lisa and Monica
B. Sam, Tim, Bella, and Joshua
C. Ben, Jenny, Mike, Carol, Katie, and Chris
D. Ben and Lisa