Before you can understand the importance of paternity testing, you must first understand the DNA element involved and why DNA is used to establish paternity. DNA is the pattern for your genetic makeup. Each and every person has a different pattern of DNA. However, persons belonging to certain ethnic backgrounds, certain races, or simply certain features, can have DNA that shows related characteristics. No two people, except for identical twins will have the same DNA.

Every person has 46 chromosomes in each cell. The only exceptions are the sperm and egg cells. They each have 23. At the moment of conception, however, the 23 chromosome from the sperm and egg combine to form 46, and at that moment, you have the chromosomes needed to create a new person. This pattern for your genetic makeup is a combination of maternal DNA and paternal DNA. In other words, half your makeup is your mother