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Selective breeding and genetic engineering

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Question 8

Bovine chymosin is an enzyme used in cheesemaking to curdle milk, which was historically extracted from the stomach lining of newborn calves. To produce a sustainable, vegetarian-friendly alternative, scientists genetically engineer bacteria to express this enzyme on an industrial scale.

Describe how scientists can produce genetically modified bacteria that are able to synthesize bovine chymosin.

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Selective breeding and genetic engineering Questions

  1. GCSE
  2. /Biology
  3. /Selective breeding and genetic engineering