Practice question
Question
The following genes have been genetically engineered to develop herbicide resistance in plants: A. Resistance to glyphosate using the 5-enolpyruvyl shikimate-3-phosphate synthase gene B. Bialaphos resistance using the bar gene C Sulfonyl urea resistance using the acetolactate synthase gene D. Atrazine resistance using the glutathione S-transferase gene . In which of the above two cases the mechanism is based on abolition of herbicide binding to the enzyme?
Explanation
In the following genes have been genetically engineered, A and C represents established outcome. functional assays confirms option D (A and C) as correct, while alternatives misstate substrate or regulatory direction, contradicting textbook data.
Discussion
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