Embargoed to 2100 Thursday March 20 Undated handout photo issued by Penn State University of images of faces showing the range of variation for both sex and ancestry with European on the left, African on the right, male at the top and female at the bottom with a strand of DNA shown in the foreground, as scientists have taken the first step towards creating ‘genetic mugshots’ from DNA. PRESS ASSOCIATION Photo. Issue date: Thursday March 20, 2014. See PA story SCIENCE Face. Photo credit should read: Shriver/Claes/Penn State/PA Wire NOTE TO EDITORS: This handout photo may only be used in for editorial reporting purposes for the contemporaneous illustration of events, things or the people in the image or facts mentioned in the caption. Reuse of the picture may require further permission from the copyright holder.