Aside from genetic leads to of those syndromes, You will also find scenarios where the Snrpn/Ube3A cluster is intact but its genes are epigenetically misregulated. This is For illustration the situation if equally homologs of chromosome 15 originate within the very same parent, a problem known as uniparental disomy (UPD). https://troykfxlz.blogrenanda.com/35212684/a-review-of-pattern-driveways