Treehugger has a post on Canada's problem with GMO seed in flaxseed. Tests find 1 seed in 10,000 is a genetically modified strain which was never grown commercially, but which was approved by the Canadian agency. It's causing big problems with exports to the EU.
Apparently some people planted it and it has spread. It seems impossible to separate out such seeds, so presumably the strain will keep being planted and replanted. I wonder: what's the eventual outcome? Is natural selection suspended in our fields of flax, so it will remain at 1 in 10,000, or will the proportion gradually increase or decrease? I also wonder, once we decode the genome for everything, will [deluded] people somewhere start enforcing a sort of genetic purism, accepting only those strains/varieties which originated before the advent of genetic modification?