Chromosomes are important for the development of the body and its organs. They are also responsible for the genetic information in our DNA. When a chromosome is deleted, it can cause a birth defect. There are many ways to delete a chromosome, but one of the most common is by using a fertility treatment called in-vitro fertilization. This procedure uses eggs from another person to create a baby. If you use this method, you might have to delete one or more chromosomes. This process can be very dangerous and can result in serious health problems if done incorrectly. You should always talk to your doctor before deleting any chromosomes because there may be risks involved.