Oldest forensic DNA sample obtained
Forensic experts have obtained a DNA profile of the unknown killer of a schoolgirl raped and shot dead 62 years ago near Swansea, Wales. Scientists isolated the killer's DNA from a semen stain on the raincoat of the 12-year-old victim, Muriel Drinkwater, and examined linkurl:short tandem repeats;https://www.the-scientist.com/article/display/13102/ (STRs) on the Y-chromosome. Y-STR haplotypes are often used in linkurl:genealogical testing,;https://www.the-scientist.com/article/display/13524/ and p
Written byElie Dolgin
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