21.   The unintended DNA mixing is not the first involving a genetically engineered plant.

a. + plant >>共 744
nuclear 9.40%
new 8.26%
manufacturing 3.71%
processing 2.82%
chemical 2.15%
native 1.83%
industrial 1.27%
potted 1.24%
generating 1.22%
bottling 1.19%
engineered 0.19%
engineered + n. >>共 156
crop 12.55%
food 12.27%
corn 6.99%
product 5.14%
drug 3.14%
plant 3.00%
version 2.43%
ingredient 2.28%
vaccine 1.85%
cell 1.71%
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