Why is DNA fingerprinting useful
213682
It is useful in many ways, for example identifying a person - maternity/paternity, identifying a victim of a crime or also for crime scene investigation to determine the rapist or aggressor.
107635
That would be a violation of HIPPA, which provides protection for our medical records. I do believe that law enforcement officials can search for DNA matches of those who have given samples, but civilians cannot and, I believe, should not be able to. Your DNA is similar to those you are related to: your mother, father, siblings. Humans also share basic DNA sequences.
536910
DNA comparison by electrophoresis. I've seen kits available in school divisions for science classes. On a similar note: paper chromatography to check if the composition of ink between samples are same or different.
513838
use a fingerprint or other bio-scanner - it's the best way to avoid potential problems with employee malfeasance.
615352
Using his/her fingerprints:\n\nFingerprint identification (sometimes referred to as dactyloscopy) is the process of comparing questioned and known friction skin ridge impressions (see Minutiae) from fingers, palms, and toes to determine if the impressions are from the same finger (or palm, toe, etc.). The flexibility of friction ridge skin means that no two finger or palm prints are ever exactly alike (never identical in every detail), even two impressions recorded immediately after each other. Fingerprint identification (also referred to as individualization) occurs when an expert (or an expert computer system operating under threshold scoring rules) determines that two friction ridge impressions originated from the same finger or palm (or toe, sole) to the exclusion of all others.
361747
Experimentally you can do primer extension, which will show the +1 site, from there you can identify the RBS and -10 and -35 sequences.\n\nYou can also do mobility shift assays with RNA polymerase to show that a certain piece of DNA contains the promoter, then do DNAse protection assays to show where the polymerase is actually binding.
175170
I think analyzing the information in DNA has come along way.  This information can be useful for numerous advances in medicine, one being determining ones predisposition of developing certain diseases.  This analysis can take quite a long time but researches are currently working on ways to speed this up, hopefully to less than 1 day.  You can see this article in New Scientist for a further information.  http://www.newscientist.com/article.ns?id=dn9001&feedId=online-news_rss20
58215
DNA tells your cells what to do and how to do it. it is the reason I have blue eyes and brown hair. It's the reason I love chocolate and can't stand brussel sprouts. The chromosomes of DNA are, as said before, like blueprints. That is why DNA plays a major role in the human body.
54744
your good luck or perhaps doule check your Dna
640153
They have to do this because only certain parts of DNA are used to ID people. And so much of DNA is similar they prove identity with statistics. So the likelihood of the DNA being the specific person is 1 in 20000 and that linked with other evidence is often more than enough to prove guilt or whatever. There is a law of probability and when things are put together it is very reliable.\n\nOk I am adding on in response to your question. I have consulted a textbook and think that the test described above is pretty conclusive. The textbook describes running a gel with the DNA fragments on it. They space out and are very obviously different to each other and are compared to the original. (see example of gel here http://gallery.hd.org/_c/natural-science/_more1999/_more05/DNA-genetic-fingerprinting-dark-bands-in-gel-are-almost-unique-for-a-given-individual-tweaked-1-AJHD.jpg.html) . Another thing mentioned in my textbook is taking samples from commnunities to compare blood samples. So one could suggest that they took samples of blood from 20000 people in the neighbourhood and only the one persons blood dna fingerprint matched up.
174173
Despite the ethical issues that racial profiling posesses, this method actually works for recording specific normal or deviant behavior among people of different nationalities and cultures because of a countries historical or political background.However two things must come to mind:\nA.) Profiling must apply to all races and be justified through reasons backed by evidence as to prevent inequality.\nB.) Profiling should not be used to promote self interest because it would put power in the hands of the upper class as well as those with pretige.
326356
The use of DNA Profiling in Forensic Science was pioneered by Professor Alec Jeffreys at Leicester University (Germany) In an investigation into the murders of two girls in Narborough between 1983 and 1986 Jeffreys used DNA Profiling and the suspect Colin Pitchfork was convicted in 1988 of the murders.
209197
As individuals we have rights. We have a right to privacy, and this include our DNA. Besides why would the government want to keep track of something so personal for everyone in the country. \n\nBesides, the government has a bad track record of cover ups and basically not playing above the board, how could they (the government)expect us (he people) to trust them with such sensitive information. As far AS I AM CONCERNED I BELIEVE THEY WOULD DO SOMETHING UNETHICAL WITH THE INFORMATION, LIKE CLONING TO BREED SOME SORT OF GOD KNOWS WHAT. THAT'S WHY THEY SHOULD NOT BE PRIVY TO EVERYTHING. ITS LIKE INVITING STRANGERS INTO YOUR BEDROOM, OR IN THIS CASE, YOUR BODY. ITS JUST NOT A GOOD IDEA!
552299
Yeah... why stop there. Let's DNA profile them too.
364476
Mass-spectrometry (MS) is the only technique that gives true quantitative answers with extremely high certainty, but MS of DNA is uncommon and hard to do.  A more typical approach would be to "run a gel" separate the different fragments based on size: you have a porous matrix, you place the mixture of DNA pieces on one end, you apply a voltage.  Since the DNA is charged it migrates on the gel, but the bigger pieces are hindered by the matrix (the gel).  You then run a "standard" side-by-side with your unknown mixture--something with a mixture of a few fragments on known size.  Typically these "standard ladders" which are commercially available come in increments, e.g. 100 bp, 500 bp, 1000 bp, etc.  So you will be able to tell the size is between those fragment lengths (e.g. that a band from your unknown mixture is between 100 and 500 bp) with very high certainty, but you do not know the exact length with any certainty.\n\nAlternatively you can sequence DNA--this is very easy and cheap now-a-days, and has a very high-certainty.  So after doing a gel you can cut out the different bands and have them sequenced individually.  Both steps--the gel and the sequencing--are very routine, cheap, and reliable.
585646
Mostly, it is not really useless.  Much is possibly essential, and it would include DNA sequences involved in regulating the polypeptide - coding sequences.  For a bit of extra discussion of that idea, see:\n\n_____________________\nhttp://www.abc.net.au/rn/science/ss/stories/s841482.htm\n\nThe Science Show (Australian ABC)\n\n"Genes & Junk\nSaturday 3 May  2003  \n\nSummary \n\nJunk DNA. We all have it, in fact, 95% or more of our genetic material is junk. Plant geneticist Ian Godwin explains why."\n\n_______________\n\nAlso, I want to explain and speculate a bit:\n\n\nThere is a general principle called "the parsimony of Nature", that works against organisms carrying loads of useless junk attributes.  You might search on that phrase, if you like.  However, our cells can "afford" to carry pseudogenes; superseded and duplicate copies of "real" genes.  This type of "junk" is handy, as a place to "try out" new mutations.  (I am being a bit anthropomorphic, here!)\n\nIf the mutation has no effect, or makes the junk even more wrecked, well ... no sweat!  It was just a bit of spare DNA, that can be stored away.  If it happens to have useful properties, then ... whoa! the cell can benefit.  That organism will do better than the rest.  The junk has found a use, and will be selected for.\n\nMany genes have extensive homology with other genes.  They may have been "junked" spare copies (duplicates) that were re- modelled, in a way similar to what I just described.
35178
The protection of data against unauthorized access. Programs and data can be secured by issuing passwords and digital certificates to authorized users. However, passwords only validate that a correct number has been entered, not that it is the actual person. Digital certificates and biometric techniques (fingerprints, eyes, voice, etc.) provide a more secure method ( authentication). After a user has been authenticated, sensitive data can be encrypted to prevent eavesdropping (cryptography).\n\nAlthough precautions can be taken to authenticate users, it is much more difficult to determine if an authorized employee is doing something malicious. Someone may have valid access to an account for updating, but determining whether phony numbers are being entered requires a great deal more processing. The bottom line is that effective security measures are always a balance between technology and personnel management.