| Date | May 2010 | Marks available | 1 | Reference code | 10M.1.SL.TZ2.15 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | State | Question number | 15 | Adapted from | N/A |
Question
A man of blood group A and a woman of blood group B have a child. If both are heterozygous for the gene, what are the chances of them having a child with blood group B?
A. 0%
B. 25%
C. 50%
D. 75%
Markscheme
B
Examiners report
N/A
Syllabus sections
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