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1 markCell Division and Heredity

CSEC Biology · May/June 2008 · Paper 2 · Question 3(a)(iv)

Figure 6 is a diagram of a dividing cell of an organism with a diploid chromosome number of 4.

How many chromosomes would there be in the daughter cells produced in the cell division illustrated in Figure 6?

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Other parts of this question

  1. 3(a)(i)On the diagram in Figure 6, write the name of the structures labelled I and II.[2 marks]
  2. 3(a)(ii)What type of cell division is illustrated in Figure 6?[1 mark]
  3. 3(a)(iii)Give TWO reasons for your response in (a) (ii) above.[2 marks]
  4. 3(a)(v)Give TWO advantages to an organism of this type of cell division.[2 marks]
  5. 3(b)(i)What is 'genetic engineering'?[2 marks]
  6. 3(b)(ii)Give ONE advantage of genetic engineering.[1 mark]
  7. 3(b)(iii)Suggest ONE problem that could arise from genetically modifying an organism.[2 marks]
  8. 3(c)Suggest ONE reason why it is possible to successfully transfer genes from one species to another, yet species under normal conditions do not generally…[2 marks]

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