Marfan syndrome in humans is caused by an abnormality of the connective tissue protein fibrillin. Patients are usually very tall and thin, with long spindly fingers, curvature of the spine, sometimes weakened arterial walls, and sometimes ocular problems, such as lens dislocation. Which of the following would you conclude about Marfan syndrome from this information?

Question

Quizplus · Accepted Answer

Marfan syndrome is pleiotropic because it affects multiple, seemingly unrelated phenotypes, such as height, body shape, skeletal structure, arterial wall strength, and eye structure.

Marfan Syndrome in Humans Is Caused by an Abnormality of the Connective