AllMusic. A devout Hindu and Muslim, Allauddin Khan (born Padma-Vibhusan Acharya Allauddin Khan) was one of the most important North Indian classical musicians of the 20th century.While his musical career spannedâ¦.han 's father played sitar while an older brother, Aftabuddin Khan, played flute, harmonium, tabla, pakhawaj, and dotora. As a child, Allauddin Khan would sneak into the family's music room and experiment with his brothers' instruments. Despite his obvious talents, Khan was discouraged from playing music by his father.
In the mosaic form of triple X syndrome only a number of body cells have the extra chromosome. Most cases of triple X syndrome are caused by a malformed egg or sperm. Triple X syndrome is sometimes called 47, XXX syndrome because the extra chromosome gives that human 47 chromosomes (instead of the usual 46).
Down syndrome results when abnormal cell division involving chromosome 21 occurs. These cell division abnormalities result in extra genetic material from chromosome 21, which is responsible for the characteristic features and developmental problems of Down syndrome. Any one of three genetic variations can cause Down syndrome: 1  Trisomy 21. 2  About 95 percent of the time, Down syndrome is caused by trisomy 21 â the child has three copies of chromosome 21 (instead of the usual two copies) in all cells.