Biology 9700 · AS & A Level · Principles of genetic technology

Principles of genetic technology — practice question

Part B
(a)[7]

Describe and explain the properties of plasmids that make them useful in gene cloning.

(b)[8]

Explain the functions of restriction endonucleases, ligases and reverse transcriptase in genetic engineering.

Worked solution & mark scheme

This 15-mark question has a full step-by-step worked solution and mark scheme. One marking point: “double‑stranded DNA” …

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