Colorado voters will decide if food that's genetically engineered, or has genetically modified organisms (GMOs) in it, should bear a label. Opponents of Proposition 105 say that the labels could be misleading.
Tammi Deville Merrell is the campaign manager for Right to Know Colorado, the group behind the proposition.
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"When you take genetic material from one plant or organism and you insert that into the DNA of another organism... it creates something wholly new, that doesn't occur in nature," she says.
According to the state's official voter guide, also known as the blue book, GMOs have been in the country's food supply since 1990. And according to the U.S. Department of Agriculture, last year 90 percent of corn, 90 percent of cotton, and 93 percent of soybean crops planted in the U.S. were genetically engineered.
Advocates: It's about informing consumers