Across
- 2. deoxyribonucleic acid
- 5. having no horns
- 9. hormone which encourages estrus
- 10. reproductive cells of a living organism
- 12. fertilized egg
- 14. being unable to reproduce
- 15. rod-shaped carriers of genetic information
- 17. male reproductive hormone
- 18. hormone which prevents estrus
Down
- 1. changes in the DNA
- 3. an egg leaves the ovaries
- 4. an organism of unknown lineage
- 6. period of pregnancy
- 7. a record of lineage
- 8. a developing embryo
- 11. physical characteristics
- 13. genetic markers of traits
- 16. the act of giving birth