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by Answerbag Staff on May 30th, 2010

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Can DNA test labs get the wrong results?

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  • by Miriam Breeze on May 30th, 2010

    Answerbag Experts

    Great Answer

    Professionally Researched. (What's this?)

    According to information from the University of Texas, in DNA testing "lab error rates are typically regarded as being around 2 percent." The university classifies DNA lab errors into four main categories: "sample mix-up, sample contamination, DNA degradation, and bad data analysis." These errors can lead to the wrong DNA results.

    Source:

    University Texas: DNA Typing Now and Before

    Scientific Testimony: UCI Professor Finds DNA Laboratory Errors that Sent Wrong Man to Jail

    Forensic DNA Errors

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  • by dnatest on January 6th, 2011

    dnatest

    its rare but quite possible. Check always before ordering the test and get it done only through trusted source http://www.dnacenterindia.com

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  • by iwnit on June 1st, 2010

    iwnit

    "When a former employee of Washington hairdresser Andre Chreky accused him of being the father of her teenage son, he knew that couldn’t be the case. But a DNA paternity test conducted by Laboratory Corp. of America, or LabCorp, one of the largest paternity testers in the country and the state of Virginia’s exclusive contractor, said that he was with 99.99 percent certainty.

    Then it turned out that LabCorp was woefully understaffed with dire consequences for the accuracy of DNA test results and the people affected by them. At LabCorp, only five people review data from DNA tests and make paternity determinations. One supervisor testified at Chreky’s trial contesting the results of the DNA test that he worked 10-hour shifts during which he issued an average of one paternity report every four minutes.

    DNA experts say Chreky’s case underscores a growing problem in the burgeoning field of DNA testing: People make mistakes, and people collect the DNA samples and perform the analysis. So, they say, although DNA is as reliable as ever as a definitive science, the people reading and analyzing that science are imperfect. And the volume of DNA testing keeps rising."
    Source and further information:
    http://blisstree.com/geneticsandhealth/inaccurate-dna-test-results/

    Further information:
    http://en.wikipedia.org/wiki/DNA_profiling
    (Interesting are in particular the points:
    - "Considerations when evaluating DNA evidence"
    - "Fake DNA evidence")

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