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.
Happy birthday to you. Happy birthday dear (NAME) Happy birthday to you. Happy birthday is one of the most famous songs in the world and is usually heard to celebrate the anniversary of oneâs birth. Happy Birthday to You originated from a song called Good Morning to All which was written in the English language by Patty and Mildred Hill in 1893.