The authors of a study describing the first-ever cloning of endangered gray wolves have been cleared of intentional data manipulation by investigators at Seoul National University (SNU), where the research was conducted.On Friday (April 27), SNU's Research Integrity Committee proclaimed the two wolves, Snuwolf and Snuwolffy, genuine clones after two labs -- one at SNU and the other outside of the university -- used tissue testing to confirm successful cloning. However, the university said that the SNU researchers who conducted the study made several "unintentional" mistakes when writing the manuscript, including three data entry errors in two tables listing the microsatellite and mitochondrial DNA sequences of the study animals.According to SNU, officials became suspicious of the findings at the end of March when young scientists began questioning the data on the message board of a Korean bio-engineering center Web site, including accusing the researchers of intentionally underestimating previous dog cloning...

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