What is a DNA fingerprint & how can they be used?
DNA Fingerprinting is a procedure whereby the genetic information, called DNA, in a person's cells is analysed and identified.The word fingerprinting is used because, just like a fingerprint, no two person's genetic code is exactly the same. This makes DNA fingerprinting a very useful tool for our modern society.It can be used to: 1  Determine Family Relationship-DNA can help find out who a person's parents or siblings are. 2  Prenatal paternity tests are available to mothers who need to identify the father of their unborn babies.his makes DNA fingerprinting a very useful tool for our modern society. It can be used to: 1  Determine Family Relationship-DNA can help find out who a person's parents or siblings are. 2  Prenatal paternity tests are available to mothers who need to identify the father of their unborn babies.