Is marfan's syndrome dominant or is it recessive?

Dominant. Marfan syndrome is inherited in an autosomal dominant fashion. Most people with marfan syndrome have an affected parent. About 25% of people with marfan syndrome appear to have a spontaneous mutation in fbn1.
Autosomal dominant. Autosomal dominant means it affects both males and females equally and that you need only one gene to have the trait.

Related Questions

How dangerous is Marfan syndrome?

Marfan syndrome. affects the body's connective tissue and can cause problems in the eyes, joints, and heart. Marfan syndrome has no cure, but doctors can provide symptomatic management. Read more...

Question: what is Marfan syndrome really? Fibrillin-1 gene defect leads to inefficient connective tissue building. It is inherited 70% of time. Symptoms occur in any organ that is dependent on healthy connective tissue such as the heart, lungs, skin, eyes. Marfans are tall people with thin narrow face, scoliosis, heart disease, small jaw, spidery fingers, flat feet, abnornal chest bone. You should see your dr if you suspect having it. Read more...