A 39-year-old member asked:
What chromosome is affected by marfan syndrome?
1 doctor answer • 3 doctors weighed in
Dr. Steven Neishanswered
Pediatrics - Cardiology 40 years experience
Chromosome 15: Marfan syndrome is caused by a mutation in the fbn1 gene on chromosome 15. The "address" for this gene is 15q21.1. This gene codes for a protein called fibrillin-1. Inheritance is autosomal dominant.
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4.6k viewsReviewed >2 years ago
Last updated Feb 19, 2020
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