Reference sources: 1  Petwave.com â Obesity Problems. 2  Petwave.com â Dogs Health. 3  Petwave.com â Cancer Types.  Dog Time.com â 10 Most Serious Pet Diseases.
Only a small sample of cells is needed for DNA fingerprinting. A drop of blood or the root of a hair contains enough DNA for testing. Semen, hair, or skin scrapings are often used in criminal investigations. A person who has DNA fingerprinting done voluntarily usually provides a sample of blood taken from a vein.
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.NA Fingerprinting is a procedure whereby the genetic information, called DNA, in a person's cells is analysed and identified.