Across
- 1. makes up chromosomes
- 3. Segment of DNA
- 5. combinations
- 6. sperm and eggs
- 9. sexual reproduction
- 11. thread like structure
- 12. appearance
- 14. a chart
- 15. cell division
Down
- 2. forms of genes
- 4. passing of traits
- 7. identical
- 8. different
- 10. trait always shows
- 13. hidden when dominant
- 16. characteristic