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.
Oh Happy Day by The Edwin Hawkins Singers Songfacts. 1  This is the only traditional gospel song ever to crossover and become a hit on the pop charts. 2  Edwin Hawkins was a pianist at Ephesian Church of God in Christ in Berkeley, California when he came up with the popular Latin/soul version of this song in 1968.