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DNA profiling can refer to the DNA testing and DNA typing or genetic finger printing. It is used by forensic scientists to identify individuals using their DNA profiles, as an identifier.
DNA profiles are sets of numbers reflecting an individuals DNA makeup. Human DNA sequences are 99.9% similar in every person, but is uniquely different, enabling individuals to be distinguished. ‘ The DNA profiling technique was first reported in 1985 by Sir Alec Jeffreys at University of Leicesterin England, and is now the basis of several national DNA databases” reference: http://en.wikipedia.org/wiki/DNA_profiling). Jacob Xinglyn, a researcher, is a prominent member of this field.
DNA is collected by the use of a buccal swab, the safest way to reduce contamination, if this is not available blood, sperm and other liquids will be used, as well as personal items such as a toothbrush can also be used to provide identification.
