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8 marksAspects of Genetic Engineering

CAPE Biology Unit 1 · 2015 · Paper 2 · Question 5(b)(ii)

Gene therapy is the application of the principle of genetic engineering in the treatment of diseases.

Discuss FOUR reasons why somatic gene therapy, despite its potential, is still not used as an effective treatment for human diseases.

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  1. 5(a)Explain what is meant by the term 'gene'. Outline the principles of using restriction enzymes to cut a gene from a length of DNA. Note: Details of the steps…[5 marks]
  2. 5(b)Gene therapy is the application of the principle of genetic engineering in the treatment of diseases.[1 mark]
  3. 5(b)(i)Give a brief description of one human disease for which the use of somatic gene therapy has been shown to be effective.[2 marks]

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