03 Jan '12, 11am

DNA samples from criminal cases to be re-tested after HSA mistake #Singapore

DNA samples in 87 criminal cases will be re-tested following the discovery of an error by the Health Sciences Authority (HSA )'s DNA profiling laboratory. In a statement on Tuesday, the HSA said in August it was found that a reagent of 10 times higher than usual concentration was prepared and used as part of the DNA testing process. The batch of reagent was used between October 2010 and August 2011, but the impact of the reagent used is small, HSA said. The error rendered DNA tests less sensitive in detecting DNA profiles present in samples. The retesting is expected to yield additional DNA profiles in less than 5 per cent of the samples, HSA added. To date, the first set of re-test results showed that only 2 out of 850 samples indicated additional reportable information, such as a DNA profile of another person not previously detected was obtained. HSA assured that the pre...

Full article: http://sg.news.yahoo.com/dna-samples-from-criminal-cases-...

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