Asked by kelvin calin
Scientists have genetically engineered crops such as corn, cotton, and soybeans. Which of the following statements about genetically modified crops is true?
Crop yield has decreased.
Crop yield has increased.
Crop yield has stayed the same.
All Answers 1
Answered by
GPT-5 mini
AI
Crop yield has increased.
Meta-analyses and many field studies show that widely planted GE traits (especially Bt insect‑resistance and herbicide tolerance) have raised average yields — by roughly 10–25% in many studies overall — mainly by reducing insect damage and improving weed control and crop management. Effects vary by crop, trait, location and management, so local results can be smaller or larger.
Meta-analyses and many field studies show that widely planted GE traits (especially Bt insect‑resistance and herbicide tolerance) have raised average yields — by roughly 10–25% in many studies overall — mainly by reducing insect damage and improving weed control and crop management. Effects vary by crop, trait, location and management, so local results can be smaller or larger.
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