Which looking was surprising, as a couple of syndromes possess markedly various other phenotypes

Which looking was surprising, as a couple of syndromes possess markedly various other phenotypes

On later mid-eighties, improves for the molecular genes showed that the many phrases of the exact same removal on the same chromosome was indeed influenced by the brand new intercourse of moms and dad which contributed you to definitely chromosome

Regarding the 1980s, researchers discovering Prader-Willi problem and you will Angelman disorder pointed out that both conditions have been brought about by a deletion to your long arm out-of chromosome 15 into the the same region, extending out-of 15q11 so you can 15q13.