Across
- 4. the study of heredity
- 5. pair of identical chromosomes
- 8. trait that hides in the background expressed as a lowercase letter
- 9. the physical expression of a trait
- 11. different form of a characteristic that varies in different organisms
- 12. the trait that overshadows and is expressed as a capital letter
- 14. the passing of physical characteristics from parent to offspring
- 15. when two alleles for one trait are the same
Down
- 1. a chart that shows all the possible combinations of alleles that can result from a genetic cross
- 2. any event that alters genetic structure for the offspring
- 3. process that produces for gametes, sperm or egg, that are used to pass a parent's traits to offspring
- 5. when two different alleles for one trait are present
- 6. cell reproduction when one cell becomes two exact cells
- 7. differences between offspring caused by alternate forms of dna
- 10. deoxyribonucleic acid
- 13. the genetic makeup of one organism