Aside from genetic leads to of those syndromes, Additionally, there are circumstances wherever the Snrpn/Ube3A cluster is intact but its genes are epigenetically misregulated. That is For illustration the case if the two homologs of chromosome fifteen originate within the same mother or father, a condition named uniparental disomy (UPD). https://lanefqtmg.blogoxo.com/29388198/pattern-imprint-driveways-for-dummies