It’s practically impossible to define “GMOs”

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By Nathanael Johnson on 21 Dec 2015

Debates rage over what to do about genetically modified organisms, but we rarely stop to ask a more basic question: Do GMOs really exist? It’s an important question, because no one in this debate can tell you precisely what a GMO is. I’ve come to the conclusion that “GMO” is a cultural construct. It’s a metaphor we use to talk about a set of ideas. It doesn’t map neatly onto any clear category in the physical world.

GMOs, like other cultural constructs — think of gender, or race — do have a basis in reality, of course: We can roughly define “male” or “Asian,” but when we try to regulate these divisions, all kinds of problems crop up. And definitions of “GMOs” are much messier — “nerd” might be a roughly equivalent category. You know what a nerd is, but things would break down fast if you were required to label and regulate all the nerds. The definition of a nerd depends on the context; it depends on who’s asking. Same with GMOs.

As one researcher put it, “It is theoretically and practically impossible to precisely specify a supposed common denominator for all these [GMO] products.”

This causes real problems. People argue about GMOs because they are worried about safety, or environmental integrity, or human rights. But because the category is so porous, any policy governing “GMOs” — whether encouraging or discouraging them — can work directly against those values.

By now you are probably protesting that you’ve seen definitions that work well enough. (I’ve doubtless taken a stab at providing one at some point.) But let’s Zoom in to take a look at how well those definitions fare in practice.

Read more.