Cloning and Biotechnology

More DNA testing links, with answers
Re: How reliable are DNA tests? -- DWA Post Reply Top of the thread Forum
Posted by: DWA
11/20/2005, 21:53:00

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A forensic DNA test is not really a comprehensive look at someone's DNA.


http://news.bbc.co.uk/2/hi/health/4378044.stm

Fears over transplant DNA mix-ups


"Detectives using DNA to hunt criminals should be aware bone marrow transplants can confuse results, say scientists.
New Scientist reports on an Alaska case in which a man was linked to an attack, based on DNA obtained with blood tests, but had been in jail at the time.
It transpired the sex attack had been carried out by his brother, who had donated bone marrow to his sibling in a transplant some years earlier.
"


This looks like an informed discussion of DNA matching test reliability:


http://www.libertysearch.com/articles/2000/000008.html

"The potential tragedy that misuse of DNA evidence can cause was illustrated recently when police in Great Britain admitted they misidentified a suspect based on DNA. Although the suspect's DNA matched DNA found at the scene of the crime, the gentleman had an airtight alibi and after additional tests were performed the man's DNA was found to be slightly different. According to "experts" quoted in numerous stories, this was a random problem that has only a 1 in 37 million chance of happening. Unfortunately that claim is nonsense -- because of the way Great Britain utilizes DNA evidence, there is about a 1 in 52 chance of such mismatches happening routinely." . . .

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