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2 marksCell Division and Variation

CAPE Biology Unit 1 · 2006 · Paper 2 · Question 2(c)

State TWO ways in which the process of meiosis contributes towards the variation of the gametes.

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  1. 2(a)(i)Illustrate ONE pair of homologous chromosomes aligning themselves. Illustrate ONE cross-over between two of the chromatids.[2 marks]
  2. 2(a)(ii)Draw early anaphase of meiosis I, showing the exchanged chromatid material. (Shade appropriately).[2 marks]
  3. 2(b)With reference to Figure 2 above, complete Table 2 to show which areas of the sex chromosomes can cross over to form chiasmata. (Place a tick (√) in the…[2 marks]
  4. 2(d)Place a tick (√) in the column which shows the amount of DNA present at the stage of meiosis listed.[2 marks]

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