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Cloning

Cloning

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Question 2

An advanced tissue engineering registry categorises donor materials for reconstructive and replacement surgeries:

  • Cornea
  • Bone marrow
  • Trachea
  • Small intestine
  • Thyroid gland
a.

Complete the table below by matching the pathological condition with the corresponding tissue or organ required from the registry.

Pathological ConditionTissue or organ needed
Fuchs' endothelial dystrophy
Short bowel syndrome
Acute myeloid leukaemia
Congenital subglottic stenosis
Graves' disease requiring total ablation
[5]
b.

Describe the role of the small intestine in digestion and absorption.

[2]
c.

Scientists are researching the use of therapeutic cloning to generate patient-specific tissues to bypass registry shortages.

State what is meant by the term therapeutic cloning.

[1]
d.

Suggest two biological or clinical advantages of using tissues derived via therapeutic cloning over matching tissues from an unrelated living or deceased donor.

[2]
Markscheme

Cloning Questions

  1. IGCSE
  2. /Biology
  3. /Cloning

39 exam-style questions on Edexcel IGCSE Biology Cloning. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank