50.3 MB (1.9 MB compressed)
5185 x 3388 pixels
43.9 x 28.7 cm ⏐ 17.3 x 11.3 in (300dpi)
PEGGY GREB / US DEPARTMENT OF AGRICULTURE / SCIENCE PHOTO LIBRARY PEGGY GREB / US DEPARTMENT OF AGRICULTURE / SCIENCE PHOTO LIBRARY
Editorial use only.
Potato plant DNA analysis. Geneticist using a digital image analyser to view differences in DNA (deoxyribonucleic acid) between a domestic potato plant and a wild relative. The results can be seen on screen (right). This is being done in order to help determine whether the domestic variety carries virus-resistance genes from the wild relative.
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