Genetically engineered foods are produced by taking genetic material from one species and transferring it (6) A B C D another. For example, an ‘antifreeze’ gene which appears naturally in Arctic fish has been introduced into tomatoes and strawberries (7) A B C D they don’t freeze in cold weather; a human gene has been introduced into pigs to make them (8) A B C D more quickly.
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发表于 2022-7-29 18:25:59
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