CentralNotice From Wikipedia, the free encyclopedia Jump to: navigation , search This article contains too many or too-lengthy quotations for an encyclopedic entry . Please help improve the article by editing it to take facts from excessively quoted material and rewrite them as sourced original prose. Consider transferring direct quotations to Wikiquote . (November 2011) Genetic pollution is a controversial [ 1 ] [ 2 ] term for uncontrolled [ 3 ] [ 4 ] gene flow into wild populations. This gene flow is undesirable according to some environmentalists and conservationists , including groups such as Greenpeace , TRAFFIC , and GeneWatch UK . [ 5 ] [ 6 ] [ 7 ] [ 8 ] [ 9 ] [ 10 ] 1 Usage 2 Invasive species 3 Genetic engineering 4 Controversial term 5 See also 6 References Usage [ edit ] Some conservation biologists and conservationists have used genet...