This video is so
moving - it is worth watching! Wow!
http://www.youtube.com/watch?v=u8fKswURt6
Rett syndrome and
mecp2 duplication are caused by defects in the mecp2 gene. In one case there is
too much protein ad the other too little. The symptoms are quite different, but
similar in ways too. Research for Rett overlaps with research for the
duplication.