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They are just normal seeds that you can grow, collect news seeds, plant again and use selection breeding to modify them further.
There was a significant amount of shitstorm after Monsanto came up with an idea of making their plants infertile, and then Greenpeace simultaneously complained that Monsanto is preventing farmers from growing their seeds *and* that fertile plants will "contaminate nature".
All that is now in the past:
https://agfax.com/2014/12/03/arkansas-look-ma-no-tech-fees-round-up-ready-soybean-variety-released/