Column matching
| Left Column | Right Column |
| A. Haemophilia | (i) Red colourblindness |
| B. Thalassemia | (ii) Heriditary unit |
| C. Protanopia | (iii) Christman disease |
| D. Gene | (iv) Genetic counselling |
| Left Column | Right Column |
|---|---|
| A. Haemophilia | (i) Sex-linked recessive disorder |
| B. Thalassemia | (ii) Hereditary unit |
| C. Protanopia | (iii) Red colourblindness |
| D. Gene | (iv) Genetic counselling |
