| Date | May 2013 | Marks available | 1 | Reference code | 13M.1.HL.TZ1.12 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 12 | Adapted from | N/A |
Question
What information can be concluded from the karyotype?
A. The person is a normal male.
B. The person is a normal female.
C. The person is a male with Down syndrome.
D. The person is a female with Down syndrome.
Markscheme
C
Examiners report
Questions 7, 8, 10, 11 and 12 also had relatively low discrimination indices because a high proportion of candidates answered them correctly, indicating either good knowledge or that these questions proved to be rather too easy.
