Multiple choice

What is the third stage of genetic engineering?

  1. Organism replicates = more have the desired gene

  2. The gene is cut from the DNA using enzymes and is isolated

  3. The gene that produces the wanted charactersitic is selected

  4. The useful DNA is inserted into the DNA of another organism
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D Correct answer
Explanation

The stages of genetic engineering typically follow this sequence: 1) identifying and selecting the desired gene, 2) cutting and isolating the gene using enzymes, 3) inserting the gene into a vector or host organism, and 4) allowing the host organism to replicate. Thus, the third stage is inserting the useful DNA into another organism.

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