An expert on genetic genealogy explained how new technology could help solve the disappearance of Nancy Guthrie . Pima County Sheriff Chris Nanos has said DNA collected from Guthrie's home near Tucson, Arizona , was “mixed,” meaning it contains genetic material from more than one person. He said the lab that received the sample reported challenges and it could be months or even longer before it gets to a point where the evidence can be submitted for investigative genetic genealogy or IGG. CeCe

Tag-uri: DNA