In Cohen and Boyer's Pioneering Studies in Recombinant DNA, What

question 57

Multiple Choice

In Cohen and Boyer's pioneering studies in recombinant DNA, what was the role of antibiotic resistance genes?

• A) They were selective markers.
• B) They were vectors.
• C) They were replicons.
• D) They were transgenic agents.
• E) They made the host cells more likely to take up the foreign DNA.

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