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.
Web posted on: Monday, July 06, 1998 11:19:56 AM. VICTORVILLE, California (CNN) -- Roy Rogers, the King of the Cowboys who appeared in more than 100 films and rode atop his trusty horse named Trigger in most of them, singing his theme song Happy Trails, died Monday morning at the age of 86.