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Question 21N.2.HL.TZ0.2a.ii

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Date November 2021 Marks available [Maximum mark: 1] Reference code 21N.2.HL.TZ0.2a.ii
Level HL Paper 2 Time zone TZ0
Command term Deduce Question number a.ii Adapted from N/A
a.ii.
[Maximum mark: 1]
21N.2.HL.TZ0.2a.ii

Hemophilia is a sex-linked disease that affected some members of royal families in Europe during the 19th and 20th centuries.

(a.ii)

Deduce the genotype of Queen Victoria’s daughter Alice.

[1]

Markscheme

XH Xh;

Examiners report

Any symbols were accepted for the alleles, as long as they were shown superscript to X and the genotype was heterozygous. 70 % of candidates answered correctly.

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