explain the DNA fingerprinting . what is the significance of this technique ?
explain in deep plz
Answers
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The technique of DNA fingerprinting, which involves comparing samples of human DNA left at a crime scene… …of a technique known as DNA fingerprinting, an analysis of those regions of DNA that vary among individuals,… …genetic differences allow for the DNA fingerprinting of hair, blood, semen, and tissue
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you might have heard that criminals can now be identified by DNA test called "DNA fingerprinting " this is because DNA of an individual is the same in each and Every cell of body and also resembles the DNA of parents needless to say this is because children inherit DNA from their parents .
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the significance of this technique is :-
. The first step is to obtain DNA sample of the individual in question.
2. DNA is also isolated from bloodstains, semen stains or hair root from the body of the victim or from victim’s cloth even after many hours of any criminal offence. Even it can be obtained from vaginal swabs of rape victims. The amount of DNA needed for developing fingerprints is very small, only a few nanograms.
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