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Using Evidence to Weaken an Argument


Scientist 04’s argument would be most weakened if which of the following were true?

Genetically Modified (GM) Food


GM crops are incapable of producing offspring.


Researchers have identified 30 varieties of plants that contain similar genes to those found in one of their GM products.


Plants with genomes identical to those of a GM crop have been found growing, and spreading in areas not seeded using the GM seeds.


The FDA has recently identified 3 essential vitamins in one particular type of GM food that are not typically found in the organic variety of that species of plant (although all three vitamins are necessary for the human diet and can found in a variety of other non-GM products).