2.4 The diagram below shows a phase in mitosis.
A A A A A A
A
B
C
2.4.1 Identify:
(a) The phase represented above. Centrosomes
(b) Part B
(1)
(1)
(c) The LETTER only of the part that forms spindle fibres. A
(1)
2.4.2
Name the disease caused by an abnormal and uncontrollable
division of cells in a part of a body.
(1)
2.4.3
State how many chromosomes will be present at the end of this cell
division.
(1)
2.4.4 Explain the effect on mitosis if part C fails to perform its function during
cell division.
(2)
2.4.5
Draw a diagram to represent the phase of mitosis that occurs before the
one shown above
(4)
(11)
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