Across
- 3. Deoxyribonucleic acid
- 4. ...... is made up of DNA
- 5. Everyperson has 23 pairs of ......
Down
- 1. ...... is things that already decided before you born and not change. eg blood group and natural hair colour
- 2. Inside the ...... of every cell there are chromosomes
- 5. Our bodies are made up of thousands of millions of ......