Länk - Bättre att ta DNA från hårstrån är från annan vävnad?
Contamination from bacteria DNA generally make up 50 to more than 90 percent of the raw DNA extracted from the bone and muscles of ancient specimens, [University of Copenhagen reseracher Tom] Gilbert said. In contrast, more than 90 percent of the DNA extracted from hairs taken from woolly mammoth specimens in the new study belonged to the extinct mega-mammals themselves.
Läs mer: John Hawks Anthropology Weblog : 2007 09