| Date | May 2017 | Marks available | 1 | Reference code | 17M.1.HL.TZ1.26 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 26 | Adapted from | N/A |
Question
A DNA profile was made of one individual in a paternity suit. Locus B was used to distinguish between this individual and other individuals. The individual had two alleles of the gene at locus B which are shown below:
Gel electrophoresis was used to separate and visualize the alleles B3 and B5. The gel, with two bands of DNA, is shown below.
What DNA is in bands 1 and 2?
Markscheme
C
Examiners report
[N/A]
Syllabus sections
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