Exam-style Questions: Fertilisation

  1. Fill in the missing words...

    Most mutations are harmful. In developing ___(i)___ they cause ___(ii)___ development and may cause early ___(iii)___. In older tissue, they can cause cells to keep on ___(iv)___ uncontrollably. These cells develop into ___(v)___, spread into other parts of the body and so become ___(vi)___.

    (Marks available: 6)

    Answer

    Answer outline and marking scheme for question: 1

    (i) embryos;

    (ii) abnormal;

    (iii) death;

    (iv) dividing;

    (v) tumours;

    (vi) cancerous.

    (Total = 6 marks)