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DNA testing

  • Originally published 08/12/2013

    Fronczak missing Chicago boy case: FBI reopens probe

    The FBI has reopened an investigation into the disappearance of a newborn boy stolen from a Chicago hospital in 1964.It comes after DNA tests showed that the child who was returned to the missing boy's parents is not their son.Paul Fronczak, 49, was raised by Chester and Dora Fronczak after detectives found him abandoned in New Jersey in 1965....

  • Originally published 01/24/2013

    Native American connection to 40,000 year old human in northwest China

    Detailed examination of samples of ancient DNA has revealed the genetic makeup of humans living circa 40,000 years ago in an area near what is now Beijing in China.An international team of researchers including Svante Pääbo and Qiaomei Fu of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, have sequenced nuclear and mitochondrial DNA extracted from the leg of an early modern human from Tianyuan Cave near Beijing.Analyses of DNA recovered from the leg bones showed that the Tianyuan human shared a common origin with present-day Asians and Native Americans. In addition, the researchers found the proportion of Neanderthal and Denisovan-DNA in this early modern human is no higher than in current populations living in this region today....