Marfan syndrome is a rare inherited human disorder characterized by unusually long limbs and digits plus defects in the heart (especially the aorta) and the eyes, among other symptoms. Following is a pedigree for this disorder in a certain family. Affected individuals are shown with filled (black)

symbols. What type of inheritance pattern do you think is more likely?

Transcribed Image Text:

I-1 I-2 II-1 II-2 II-3 II-4 II-5 II-6 III-1 III-2 III-3 III-4 III-5 IV-1 IV-2 IV-3 IV-4