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2 marksCell Division and Heredity

CSEC Biology · January 2005 · Paper 2 · Question 4(d)(ii)

The number of chromosomes in the nucleus of the cell shown in Figure 4 is 12.

How many chromosomes would be present if the cell were part of a pollen grain?

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Other parts of this question

  1. 4(a)Identify the structures labelled A to D in Figure 4.[4 marks]
  2. 4(b)State the functions of Structures A and D in Figure 4.[3 marks]
  3. 4(c)State TWO ways in which the cell shown in Figure 4 is different from a human white blood cell.[2 marks]
  4. 4(d)(i)How many chromosomes would be present if the cell were part of a petal?[2 marks]
  5. 4(e)The concentration of sugars in the cell sap has been calculated to be 10%. Describe what will happen to the cell if it is placed in a 50% sugar solution.[2 marks]

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