Across
- 2. zygote that contains a full set of chromosomes is
- 6. reproductive cells produced by the female
- 7. part of a cell that contains the chromosomes and genes
- 8. located on chromosomes inside the nucleus
- 11. takes place when a sperm cell enters the egg cell
- 12. cell that contains only half the number of normal cells
- 13. reproductive cells
- 16. varying conditions that an animal can be raised in
- 18. living substance that makes up a cell
Down
- 1. process of division that results in growth of a cell
- 3. all of the substances outside of the cell nucleus
- 4. good breeding programs are set up application of the principles of this
- 5. name of the single cell that is the beginning of all animals
- 9. the likelihood of a trait being passed down to offspring
- 10. material that determines the characteristics of an organism
- 13. the combination of genes an individual possesses
- 14. material that carries genetic information needed to make proteins in cells
- 15. division of a cell responsible for egg and sperm production
- 17. reproductive cells produced by the male