A 7-year-old boy presents for a well child check. His mother reports that he has always been a healthy child and does well in school. On examination, he is noted to have pectus excavatum and long, tapered fingers. He is wearing glasses, and mother reports a history of upward lens subluxation. What is the most likely genetic abnormality?

Ehlers Danlos Syndrome
Homocystinuria
Marfan Syndrome
Osteogenesis Imperfecta