Genetic Fingerprinting

DNA Bioscience, is the UK's leading expert on DNA, genetic testing and paternity testing. We offer a complete line of DNA services, including DNA paternity testing, DNA identification and relationship testing.

At DNA Bioscience, we use genetic fingerprinting to probe our heredity. Since people inherit the arrangement of their base pairs from their parents, comparing the banding patterns of a child and the alleged parent generates a probability of relatedness; if the two patterns are similar enough (taking into account that only half the DNA is inherited from each parent), then they are probably family. When used alongside more traditional sociological methodologies, genetic fingerprinting can be used to analyse patterns of migration and claims of ethnicity.

Genetic fingerprinting can also tell us about present-day situations. Perhaps the best known use of genetic fingerprinting is in forensic medicine. DNA samples gathered at a crime scene can be compared with the DNA of a suspect to show whether or not he or she was present. Databases of genetic fingerprints are only available from known offenders, so it isn't yet possible to fingerprint the DNA from a crime scene and then pull out names of probable matches from the general public. But, in the future, this may happen if genetic fingerprints replace more traditional and forgeable forms of identification. In a real case, trading standards agents found that 25% of caviar is bulked up with roe from different categories, the high class equivalent of cheating the consumer by not filling the metaphorical pint glass all the way up to the top. Genetic fingerprinting confirmed that the ‘suspect’ (inferior) caviar was present at the crime scene.

Navigate here for more information on genetic fingerprinting and DNA Bioscience’s use of Smartcard technology for DNA identification purposes.

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