Is multiple sclerosis passed on through genes?

Not sure. Ms is still being studies as to it's cuases. There seems to be an environmental component, but there seems to be more evidence that it can be genetic, where some people who have the "gene" may have a greater tendency to acquire ms.
Susceptibility. We know of several hla markers which increase genetic susceptibililty to ms: the best described is hla-dr-b-1, but dr1 and dr2 are also involved. Little question that this is only a small part of the puzzle.

Related Questions

Is multiple sclerosis caused by a gene?

No. The cause of multiple sclerosis is unknown, there is some evidence that is related to a viral infection and there is evidence that genetics plays a part. However, there is no conclusive evidence that there is a single cause. In the end, we may find that "susceptible" individuals exposed to a trigger at the "right" age, with the right genetic profile go on to develop ms--thus a multifactorial cause. Read more...
Not the standard way. Ms is an autoimmune mediated disorder, which occurs in genetically susceptible folks, if appropriate environmental influences are present. It is not a traditional genetic disease whatsoever, but may occur in families who have similar susceptibility genes. Read more...
Unsure. It is not clear there is one gene involved in multiple sclerosis. there may be many genes, there may be factors associated with genes, such as methylation, a so-called epigenetic effect. There are several known factors in the cause of MS, but for the most part, it is best to say we do not know what the cause is. Read more...

Help! Is multiple sclerosis a result of single or multiple gene disorder or a chromosomal abnormality?

Not genetic mostly. There are no signs that multiple sclerosis is a sign of a chromosome disorder. Although there is likely a genetic component, this appears to be a very small role. This is not the type of disease where if you have the gene, you get the disease. It tends to be sporadic. It is an auto-immune disease where antibodies attack the white matter of the brain and/or spinal cord. Read more...
None of above. The genetic issues point toward risk or susceptibility, as MS is NOT a genetic or hereditary disorder. Read more...

What is the cause of multiple sclerosis and how is it realatedo to white mitochontrial dna?

Not known. We know this so far, ms is an autoimmune disease associated with genetic susceptibility, and environmental triggers (including increased incidence with prior ebv infections, low levels of vitamin d, growing up north of latitude 39, smoking, eating high fat, high salt diet, etc). Not sure what you mean by mitochondria, but these cellular contents are damaged by ms lesions. Read more...