| Date | May 2015 | Marks available | 1 | Reference code | 15M.1.SL.TZ2.15 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Identify | Question number | 15 | Adapted from | N/A |
Question
What is a possible source of the chromosomes used for pre-natal karyotype diagnosis?
A. The mother’s lymphocytes
B. The mother’s cheek cells
C. The cells from chorionic villi
D. The fetal hair root cells
Markscheme
C
Examiners report
[N/A]
