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In reply to the discussion: U.S. GMO food labeling bill passes Senate [View all]Humanist_Activist
(7,670 posts)and exists with hybrids and other varieties as well.
There may be an issue with Roundup resistance with some weed species, which means we will hopefully find a just as safe alternative soon, better that than the herbicides that were used in the past.
As far as cross-pollination, its a concern, whether it constitutes ecological damage I guess that depends on what traits are passed to wild varieties of certain crops. Or even if the traits are passed on at all. The concern would be whether such cross pollination adversely affects the survivability of the wild plant, or affects its toxicity to other organisms. And again, this isn't an issue unique to transgenic crops, any genetically modified crops, whether its hybrids, or exposed to mutagenic chemicals and radiation, causing mutations and unique traits, also face this exact same issue.