ANCHOR your organs and other STRUCTURES in your body.Marfan syndrome is caused by a mutation in a gene called FBN1.The mutation limits the body's ability to make proteins needed to build connective tissue.A person with Marfan syndrome has a 1 in 2 chance of passing it on to their child.Therefore, Marfan Syndrome is a kind of Genetic disorder. Genetic disorderA genetic disorder is a health problem caused by one or more abnormalities in the genome.It can be caused by a mutation in a single gene (monogenic) or multiple genes or by a chromosomal abnormality.The genetic abnormality can range from minuscule to major, from a discrete mutation in a single base in the DNA of a single gene to a gross chromosomal A genetic disorder is a disease caused in whole or in part by a CHANGE in the DNA sequence away from the normal sequence.Viral InfectionA viral infection is a proliferation of a harmful virus inside your body.Viruses cannot reproduce WITHOUT the assistance of a host.Viruses infect a host by introducing their genetic material into the cells and hijacking the cell's internal machinery to make more virus particles.Degenerative neuromuscular diseaseAffects the muscles and their direct nervous system control.There is a problem with central nervous control that can cause either spasticity or some degree of paralysis, from both lower and upper motor neuron disorders, depending on the location and the nature of the problem.Some EXAMPLES of central disorders include cerebrovascular accident, Parkinson's disease, multiple sclerosis, Huntington's disease, and Creutzfeldt–Jakob disease.