Across
- 3. Shape of DNA
- 5. Found in the nucleus of a cell
- 9. Varitation with only 2 values
- 10. The number of bases that make DNA
- 12. Where we get our DNA from
- 13. Scientists who discovered shape of DNA
- 15. Something we are born with
- 16. Differences in a species
- 18. Same type of gene
- 20. Number of chromosomes a human has
Down
- 1. The gene that is dominated by others
- 2. Condition caused by extra chromosome 21
- 4. Used to work out DNA of children from parents
- 6. Variation that has a number of values
- 7. Dominant eye colour over blue eyes
- 8. Created Xray photo of DNA
- 11. Something we gain during our lifetime
- 14. The gene that dominates others
- 17. Different type of genes
- 19. Control our charateristics