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Question 18M.2.HL.TZ1.a

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Date May 2018 Marks available [Maximum mark: 2] Reference code 18M.2.HL.TZ1.a
Level HL Paper 2 Time zone TZ1
Command term Outline Question number a Adapted from N/A
a.
[Maximum mark: 2]
18M.2.HL.TZ1.a

Sickle cell anemia is due to a single base substitution in DNA. Using the diagram, outline how this translates into the production of an abnormal hemoglobin molecule by completing the spaces labelled I, II and III.

[2]

Markscheme

a. I: GUG
AND
II: CAC 

b. III: Val/valine

Both required. Do not accept GAG to GTC.

 

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