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Researcher studying genetically modified crops
Genetically modified crops. Resea- rcher comparing the growth of genetically modified sugar beet plants (Beta vulgaris) with that of normal rape plants (Brassica napus). A healthy field of rape is seen in the background. The beet plants (pale green) are seen growing healthily beside the withered rape (darker green, growing in patches). This field has been sprayed with a weed- killer. Modification of the beet's DNA (deoxyribo- nucleic acid) has given it resistance to the weed- killer, while the rape has no such protection. Altering DNA, which contains the genetic code, may be used to impart many beneficial properties to crops. Photographed in Kings Lynn, England.
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