| Date | May 2009 | Marks available | 1 | Reference code | 09M.1.HL.TZ2.39 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 39 | Adapted from | N/A |
Question
Questions 38 and 39 refer to the following karyotype.
What can be concluded from the karyotype provided?
A. There was non-disjunction during meiosis in the mother.
B. There was non-disjunction during meiosis in the father.
C. The fetus is male.
D. The fetus is female.
Markscheme
D
Examiners report
One teacher comment suggested that the term trisomy in the source could have confused the candidates but this did not seem the case, as the questions were answered correctly by most candidates.
