]> 2026-07-31T09:41:29+00:00 WBR0105 0 en Mutation of ''COL1A1'' Mutation of ''TGFBR2'' Mutation of ''COL3A1'' Mutation of ''HFE'' Mutation of ''FGFR3'' Genetics A 16-year-old male adolescent presents to his pediatrician for an annual check-up. The patient complains only of pain in his joints and muscles that he has attributed to growing pains. Otherwise, a 14-point review of systems is unrevealing. During physical examination, the physician notices several unusual features. The patient is unusually tall, with long slender limbs, fingers, and toes. On ophthalmic exam, the patient displays a slight superotemporal subluxation of the lens in the right eye. The physician orders molecular genetic testing of the ''FBN1'' gene and confirms the diagnosis. Which of the following molecular defects underlie the syndrome that phenotypically resembles that of the patient's condition? B Cardiology Musculoskeletal/Rheumatology General Principles 2020-10-27T23:21:39Z 2459150.4733681 WBR0105