| Date | November 2012 | Marks available | 1 | Reference code | 12N.1.HL.TZ0.34 |
| Level | Higher level | Paper | Paper 1 | Time zone | TZ0 |
| Command term | Question number | 34 | Adapted from | N/A |
Question
In humans, wavy hair is dominant to straight hair and free ear lobes are dominant to fixed ear lobes. A man and a woman are heterozygous for both characteristics. What is the probability that their first child will have straight hair and fixed ear lobes?
A. 0
B. 1/16
C. 3/16
D. 9/16
Markscheme
B
Examiners report
N/A
