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Question 18M.1.SL.TZ2.15

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.1.SL.TZ2.15
Level SL Paper 1 Time zone TZ2
Command term Question number 15 Adapted from N/A
15.
[Maximum mark: 1]
18M.1.SL.TZ2.15

What is the percentage risk of a child inheriting Huntington’s disease if only one parent has the disease?

A. 0 %

B. 25 %

C. 50 %

D. 100 %

[1]

Markscheme

C

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