2024HSCMultiple choice
Q20
1 mark
Question
Analyse the following four pedigrees.
KEY Unaffected female Unaffected male 1 2 Affected female Affected male 3 4 © Epomedicine.com
Which row in the table correctly identifies the pedigree with the type of inheritance?
| Autosomal dominant | Sex-linked dominant | Autosomal recessive | Sex-linked recessive | |
|---|---|---|---|---|
| A. | 2 | 1 | 3 | 4 |
| B. | 1 | 4 | 2 | 3 |
| C. | 1 | 3 | 2 | 4 |
| D. | 2 | 4 | 1 | 3 |

Syllabus alignment
Module 5 · Heredity
- Genetic VariationInterpret inheritance patterns, pedigrees and Punnett squares to model genotype combinations.