Guess which one of these fish has been genetically modified:
Would you eat a genetically engineered salmon? Are you even sure what the difference is between the regular variety and one that’s been tweaked to grow faster?
Don’t feel bad if you’re unsure. Only a quarter of Americans say they fully understand what genetically engineered food is all about, according to a survey of more then 3,000 people conducted for NPR by Thomson Reuters last month.