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Article #193: DNA Identity Testing Laboratory

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Although it may seem outlandish at first purpose of DNA testing.
thought, it is becoming more common that Recognizing the need to find a solution
questions of relationship surface at or to this problem, the DNA Identity Testing
around the passing of a relative. Many Laboratory of Bio-Synthesis, Inc.
times, the issue is personal, that underwent an experiment. Since it is
perhaps a biological relationship was widely known that after embalmment, the
never established with the now deceased soft tissue of the body will not be
relative, or was uncertain. In other adequate for DNA testing, the lab had to
situations, the issue may regard legal identify a unique source of DNA. The type
matters, such as inheritance of assets. of sample selected to perform the
Whatever the questions or reasons may be, experiment was eyebrow hair. As opposed
DNA testing laboratories are experiencing to hair from the scalp, eyebrow hair
a greater number of cases involving tends to be thicker in diameter and,
decedents. therefore, has a more substantial root.
So, then the question of how to determine In nuclear DNA testing, any type of hair
the relationship arises. Of course, DNA must have an intact root in order for
testing is the answer, but what type of nuclear DNA to be obtained. The selection
sample can be collected after a person is of eyebrow hair over hair from the scalp
deceased? In theory, any human biological was also due to the fact that many hair
tissue, which contains nucleated cells, products have been found to act as PCR
may be used for the purpose of DNA (polymerase chain reaction) inhibitors,
testing. However, many factors may affect which can prevent successful
the viability of a sample. If it is amplification of DNA (one of the steps in
decided that DNA testing is necessary and DNA testing).
a deceased individual is to be a test The experiment involved eyebrow hair
participant, if at all possible, a DNA samples (with roots) taken from 15
sample should be secured immediately, at embalmed cadavers, ages 20 years to 75
or around the time of death. Otherwise, years. The time that the samples were
it may then become more difficult to taken after embalmment ranged from 8 to
obtain a viable DNA sample. Unless the 24 hours. The result was that, from all
cause of death is under investigation, samples, a full DNA profile was obtained.
most bodies will be released from a This is remarkable because, in many
morgue to an undertaker, if opted, cases, non-standard, forensic samples
relatively quickly. Upon release to an yield only partial DNA profiles. However,
undertaker, embalmment, if opted, will in this experiment, again, full profiles
then take place rather quickly, as well. were obtained from every sample. Prior to
The chemicals in embalming fluid this experiment, other experiments were
contaminate the tissues of the body. This performed with other types of samples,
poses a problem if a DNA sample is to be nail clippings for instance, with
collected from a decedent, for the inconsistent results.






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