Often when people see their loved ones having Treacher Collins Syndrome, the first question that they ask themselves is as to why it happened to them. While there is no specific answer to satisfy their frustration and concern at it, we have attempted to give you some answers to that in our list of ten facts you need to know about Treacher Collins Syndrome. It is believed that the syndrome is a result of a change in the gene on chromosome 5. This affects the development of bones in the face. In nearly 50% cases, at least one of the parents carried the Treacher Collins Syndrome gene. Studies and researches are being conducted to see if there is any other gene as well that is involved in the occurrence of the syndrome. Keeping reading the post to find out more answers!!