Across
- 3. Base used in RNA in place of Thymine
- 6. A segment of DNA that has the instructions for one or more traits
- 7. Sugar in RNA
- 9. Organelle in the cell where we find all of the DNA and chromosomes.
- 11. Cytosine pairs with ___
- 12. Organelle in the cell where proteins are made.
- 14. A large molecule that determines traits, like hair color and eye color
- 16. The chemical that adds bases to form a new DNA strand during replication.
- 17. Copying a DNA sequence into messenger RNA (mRNA)
- 19. The chemical that unzips DNA strands before they are copied
Down
- 1. Passing genetic characteristics from parent to offspring
- 2. The branch of biology that involves the study of heredity and variation of traits in organisms
- 4. Guanine pairs with ___
- 5. Thymine pairs with ___
- 8. mRNA is used as a blueprint to make proteins by turning 3-bases at a time into amino acids
- 10. Thread-like structures made of coiled up DNA.
- 13. The tiny molecule that genes and chromosomes are made of
- 15. Sugar in DNA
- 18. Adenine pairs with ___
