An advantage of recombinant human insulin over pig insulin is that it

  1. is cheaper to extract from pancreases
  2. lasts forever
  3. is identical to human insulin, causing fewer immune reactions
  4. is made in pigs
Answer

C) is identical to human insulin, causing fewer immune reactions

Identical structure reduces reactions. AS & A Level Biology · Topic 19 Genetic Technology · 19.2 Genetic technology applied to medicine

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