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Bt crop is related to which feature?

Answer and explanation

Correct answer: Pest resistance

The direct answer is A: Bt crops are related to pest resistance. Bt refers to Bacillus thuringiensis, a bacterium that produces particular insecticidal proteins. Scientists introduce a suitable Bt gene into a crop so that the plant can produce a protein harmful to certain target insect larvae when they feed on it. The exact effect depends on the Bt gene and insect, so it is not resistance to every pest. Option A is correct because pest or insect resistance is the major agricultural feature of Bt crops. Option B is wrong because blood clotting is a human or animal physiological process, not the purpose of Bt crops. Option C is wrong because human hair colour has no connection with Bt technology. Option D is wrong because boiling milk is a food-processing activity, not a genetic-engineering trait. Memory cue: Bt means bacterial insect protection in a crop.

Related tags

Bt CropPest ResistanceAgriculture

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