Across
- 4. it is body chromosome
- 5. combination of genes in an organism
- 8. study of tissues
- 9. made up genes located inside the nucleus
- 10. study of bacteria
- 12. study of heredity
- 13. mating of two organism that differ in only one character
- 19. trait that are expressed
- 21. study of cells
- 22. study the relationship of living thing to non living factor in the environment
Down
- 1. the study of plants
- 2. study of animals
- 3. this refers to the transfer of character to parent offspring
- 6. study of microbiology
- 7. refer to the combination of two alleles
- 11. refer to the external appearance of an organism
- 14. study of organs
- 15. refer to the combination of two different alleles
- 16. trait that are hidden
- 17. naming,grouping,classyfying living-things
- 18. study of viruses
- 20. the position of the gene on a chromosome