Across
- 4. One pair of genes occupying a specific spot on a chromosome that controls the same trait
- 6. a 3 letter code that is used to create strands of amino acids
- 11. physical characteristics of an organism
- 12. A trait that only appears if both parents contribute the allele
- 13. A trait that appears in offspring if one parent contributes it
- 14. a change that occurs to increase the chance of survival within a species
- 17. A section of DNA that controls traits and characteristics of living things
Down
- 1. the control center of the cell where DNA is housed
- 2. coiled up DNA strands that determine the traits of an organizm
- 3. Complete, unique genetic identity of an organism
- 5. When the alleles (letters) are the same for a particular trait
- 7. the passing of traits from one generation to the next
- 8. a change in the DNA or RNA sequence that can cause the proteins made to be different
- 9. the building blocks of proteins
- 10. When the alleles are different for a particular trait
- 12. the product of transcription of DNA; codes for amino acids synthesis
- 15. Molecule that contains all genetic instructions for living things
- 16. A genetically determined characteristic of a living organism