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Question 17N.3.HL.TZ0.c

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Date November 2017 Marks available [Maximum mark: 2] Reference code 17N.3.HL.TZ0.c
Level HL Paper 3 Time zone TZ0
Command term Describe Question number c Adapted from N/A
c.
[Maximum mark: 2]
17N.3.HL.TZ0.c

Describe red-green colour blindness.

[2]

Markscheme

a. sex/X-linked «genetic trait»

b. results from absent/defective cone cells

c. cannot distinguish between red and green

[Max 2 Marks]

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