MASSIMO BREGA, THE LIGHTHOUSE / SCIENCE PHOTO LIBRARY MASSIMO BREGA, THE LIGHTHOUSE / SCIENCE PHOTO LIBRARY
Grape vine DNA research. Silhouette of a researcher at the University of Milan holding a Grenache grape variety cutting (Vitis sp.) in front of an autoradiogram of its DNA. In the study DNA extracted from these samples was analysed to help determine the geographical origin of the vines. Genetic analyses from more than 500 sites revealed that vines do not only have one single origin, as was thought, but several origins around the circumference of the Mediterranean Basin.
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