What ingredient primarily links many Coca-Cola formulations sold in North America to genetically modified crops?

Answer

High Fructose Corn Syrup (HFCS)

The link is through HFCS, which is derived from the vast majority of corn grown in the US, most of which is genetically modified.

What ingredient primarily links many Coca-Cola formulations sold in North America to genetically modified crops?
Coca ColaProductsodaGMOingredient