22q11.2 deletion syndrome is caused by the deletion of a small section of chromosome 22. It results in a cleft palate, heart defects, autoimmune disorders, and more. The symptoms vary wildly and can be accompanied by learning disabilities and mental illness. Cystic fibrosis is caused by a point deletion.
The melody of Happy Birthday to You comes from the song  Good Morning to All , which has been attributed to American siblings Patty Hill and Mildred J. Hill in 1893, although the claim that the sisters composed the tune is disputed.
Wikia is not accessible if youâve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected. Grandma plays the song on the piano in A Garfield Christmas Special. Written by: O Tannenbaum, or in its English version, O Christmas Tree, is a Christmas carol of German origin. A Tannenbaum is a fir tree (German die Tanne) or Christmas tree (der Weihnachtsbaum). Its evergreen qualities have long inspired musicians to write several Tannenbaum songs in German. The best known version was written in 1824 by the Leipzig organist, teacher and composer Ernst AnschÃ¼tz.