Across
- 2. DNA is twisted together in a double...
- 6. The number of chromosomes inherited from one parent
- 7. A fertilised ovum contains 46...
- 10. The study of heredity
Down
- 1. DNA stands for
- 3. A trait most likely to appear
- 4. The result of two x chromosomes
- 5. The observable features of an organism
- 8. Blue eyes is this type of trait
- 9. The control centre for a cell
