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Cloning

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Question 34

An organ and tissue donor registry lists the following options for potential transplantation:

  • kidneys
  • bone marrow
  • cornea
  • small intestine
  • heart valves
  • liver
a.

Complete the table below by matching each medical condition with the corresponding organ or tissue from the registry required for treatment. The first one has been done for you.

Medical ConditionOrgan or tissue needed
End-stage renal diseasekidney
Acute myeloid leukaemia
Corneal blindness
Short bowel syndrome
Valvular heart disease
Acute hepatic failure
[5]
b.

Describe the role of the liver in digestion.

[2]
c.

There is a critical shortage of donor organs and tissues. Scientists hope to use therapeutic cloning to grow replacement tissues and organs from a patient's own somatic cells.

Explain what is meant by the term cloned organism.

[1]
d.

Suggest two medical or practical advantages of using organs grown from a patient's own cloned cells rather than relying on organs harvested from deceased donors.

[3]

Cloning Questions

  1. IGCSE
  2. /Biology
  3. /Cloning