Across
- 3. is the set of observable characteristics of an individual.
- 6. The DNA have a _________ helix.
- 7. the study of how genes and how traits are passed down from one generation to the next.
- 8. Acts as a messenger.
- 11. are the building blocks of the DNA
- 12. is a person known as the father of genetics.
Down
- 1. is a distinguishing characteristic
- 2. The RNA have a __________ helix.
- 4. is a change in a living thing's DNA.
- 5. Stands for Deoxyribonucleic acid
- 7. is the set of genes and genetic information that make up an individual of any species.
- 9. are variations of a gene.
- 10. The DNA and RNA have ________ nucleotides.
- 12. are segments of DNA