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7 marksCellular Respiration and ATP Synthesis

CAPE Biology Unit 2 · 2007 · Paper 2 · Question 9(a)(ii)

Describe how restriction enzymes are used in genetic engineering using plasmids, bacteria, and gene probes to produce recombinant DNA containing a transplanted gene.

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  1. 9(a)(i)Explain what is meant by the term 'restriction enzymes' and state their normal function in nature.[3 marks]
  2. 9(b)(i)Comment on therapeutic procedures used to treat a genetic disorder.[4 marks]
  3. 9(b)(ii)Give reasons why most countries prohibit the application of germ cell therapy in humans while permitting somatic cell therapy.[6 marks]

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