BI-1508
Mutations
Biology · Secondary 4 · Medium · Mutations
A farmer sprays a field with herbicide. A few weeds survive because they carry a herbicide‑resistant gene. These weeds are then used to produce a transgenic crop plant that is also herbicide‑resistant. Which process is used to insert this gene into the crop plant’s cells?
- Selective breeding of the crop plants
- Using restriction enzymes and plasmids to form recombinant DNA
- Exposing crop seeds to high temperature
- Cross‑pollinating the crop with the surviving weeds only
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