we've figured out the mechanism of glyphosate resistance, and it's pretty surprising http://www.agupdate.com/news/crop/researchers-unlock-key-to-weed-resistance-to-glyphosate/article_8f5b3eca-2c37-11e8-a7bd-6339d0530dfa.html
@hackerfriendly doesn't look like it differs from a plasmid, to me