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4 marksBiological Evolution

CSEC Biology · May/June 2010 · Paper 2 · Question 5(b)

When breeding programmes are deliberately used to control the characteristics of a population of organisms, the process is called artificial selection.

Explain how this process is different from natural selection.

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Other parts of this question

  1. 5(a)(i)How is it possible for plants that have identical genetic make-up to show differences?[5 marks]
  2. 5(a)(ii)Suggest why it is sometimes necessary to breed plants with the same genetic make-up.[5 marks]
  3. 5(a)(iii)Give ONE disadvantage of breeding an identical population of organisms.[5 marks]
  4. 5(c)(i)How does genetic engineering differ from artificial selection?[6 marks]
  5. 5(c)(ii)Suggest TWO concerns people might have about using genetic engineering to alter characteristics of organisms.[6 marks]

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