Rheumatoid Arthritis Treatment

Will The parent pass the disease or the gene to the kid? will the kid most likely going to have the autoimmune diseasewhen the kid gets older? what is the possibility that the kid will get that gene and may be triggered in their life for autoimmune disease or may never happen?

when i was 3 i was diagnosed with juvenile rheumatoid arthritis (jra) i am now 13 and am in the 8th grade and i have missed over a month of school. doctors cant figure out whats wrong with me at first they thought it was just my jra i have done x-rays,MRIs (magnetic resonance Imaging), and have been put on every drug you can think of! Now i don’t know what to think……will they ever figure this out will i have to repeat the 8th grade!?!?!