QIs it true that all corn on the planet is already genetically modified?

Is it true that all corn on the planet is already genetically modified?

AExpert Answer

Corn has been grown by humans for approximately 10,000 years, and its genetics have been heavily modified through breeding and mutation to improve its utility as a crop over this very long period. The modern technique of transgenesis has been used to further improve the agronomic characteristics of corn over the last two decades. Transgenesis has become synonymous with the term “genetically modified” (GM) over this time period, but it is really a misnomer. So all corn on the planet has been genetically modified by human activities, but not all corn has transgenes inserted by the modern technique of transgenesis.

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