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.
A DNA fingerprint is the same thing as DNA testing, DNA typing, DNA profiling, DNA analysis and genetic fingerprinting. It refers to identification of an individual based on his or her DNA profile.NA fingerprinting is a type of identification based on an individuals DNA profile. DNA found on items like cigarette butts can be used to produce a fingerprint.. DNA fingerprinting was first described by English geneticist Alec Jeffreys.