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In reply to the discussion: Anti-GM protesters kept from tearing up wheat crop by police [View all]boppers
(16,588 posts)"Injection" is another way of saying Horizontal Gene Transfers, which is a naturally occurring (and lab duplicated) phenomena where genes from totally different species jump to other, vastly different, organisms.
http://en.wikipedia.org/wiki/Horizontal_gene_transfer
Sure, it may seem unusual to think that conceptually "hey, I'm part fish, part bacteria, part apple tree", but we now know that's a part of how genetic diversity works.
Of course, this is a fairly new discovery (first noticed in the 1950's, only really studied in Eukaryotes in the last ten years), so it's a bit unnerving to folks who are steeped in textbooks dominated by Mendelian inheritance. It seems "dangerous" and "unnatural", because so much of our educational system hasn't caught up, and many people stop learning science once they leave school.