with her rare condition yarnall still has to go about her daily life the 1st thing she thought about when she was diagnosed was her child my son was 12 and i started to panic i was terrified and my biggest fear was that my son might get it because genetic means hereditary. but human geneticists have assured her that the probability of her son developing the same disease is very low yana herself inherited the genetic defect from both her father and her mother and it's only in combination that the mutation leads to illness hers is a rare case her son is protected by his 2nd most likely healthy paternal chromosome . then there have been a coke but if he gets married and at some point plans to have children then i'll have to take my results to a human genetics institute and get themselves tested. this is the way the world is headed anyway that eventually we'll only have genetically flawless people being born. i mention it but he should get himself tested and. after us. for now it's a subject they don't talk about at home the other wants to spare her son now 17 unnecessary worry about ris