Across
- 5. study of heredity
- 6. container of genes
- 9. mating of 2 organism that different in only in one character
- 11. study of tissues
- 15. combination of 2 different alleles
- 16. traits that are expressed
- 18. study of organs
- 19. study of relationship between a living and non-living thing
- 20. combination of genes in an organism
- 21. study of plants
Down
- 1. study of viruses
- 2. made up of genes located inside the nucleus
- 3. traits that are hidden
- 4. study of micro organisms
- 7. study of bacteria
- 8. study of animals
- 10. combinations of 2 same alleles
- 12. study of cells
- 13. external appearance of an organism
- 14. transfer of characteristics from parents to offspring
- 17. naming,growing and classifying living things