Guest guest Posted August 7, 1999 Report Share Posted August 7, 1999 > Some of the posts have evoked some questions for me. People have mentioned > having twins in which one had Chiari and the other did not. Are these fraternal > or identical twins? If they are identical, it makes one think there is not a > genetic cause because these two should carry the same genetics. Am I right? > Maybe the people who knew of the twins could clarify for me, please?> > Suzanne, There is a case of identical twins where one has Downs Syndrome and the other does not. They feel that the change happened somehow in the woomb environment. There is a book about these twins that I read. So if something goes wrong shortly after the egg is fertilized, there can be differences in the genetic makeup of twins. Suzanne (sounds like I am writing myself, doesn't it?) Quote Link to comment Share on other sites More sharing options...
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