Evidence of Glyphosate as a Potent Agent of Selection on Weed

question 17

Multiple Choice

Evidence of glyphosate as a potent agent of selection on weed populations includes

• A) independent mutations of a single amino acid in the EPSPS gene in ryegrass and goosegrass species, enabling plants to survive.
• B) gene duplication in Palmer amaranth resulting in extra copies of the EPSPS gene so that enough enzyme is produced, enabling plants to survive.
• C) a and b
• D) none of the above

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