vocabulary
Across
- 1. Any change in the DNA sequence of a cell.
- 6. bases- Found in the DNA
- 7. A form of phosphoric acid, which contains phosphorus.
- 10. the first stage of cell division, before metaphase
- 11. chemical compound that is used to make one of the building blocks of DNA and RNA
- 13. two individuals with homozygous genotypes which result in the opposite phenotype for a certain genetic trait.
- 17. A chemical compound that is used to make one of the building blocks of DNA and RNA.
- 19. the process by which a cell makes an RNA copy of a piece of DNA
- 20. The presence of two identical alleles at a particular gene locus.
- 22. The presence of two different alleles at a particular gene locus.
- 23. the second stage of cell division, between prophase and anaphase
- 24. the relationship between two versions of a gene
- 25. a trait that is expressed only when genotype is homozygous
- 26. helix- a term used to describe the physical structure of DNA.
Down
- 2. in mitosis and meiosis, the final stage of cell division
- 3. occupying the time between the end of cell division in mitosis
- 4. The process by which a single parent cell divides to make two new daughter cells.
- 5. synthesis- the creation of proteins by cells that use DNA, RNA, and various enzymes.
- 8. The two main types of nucleic acids.
- 9. the process by which a cell makes an RNA copy of a piece of DNA.
- 11. stranded nucleic acids such as DNA and RNA
- 12. A pyrimidine derivative, it is paired with adenine in double-stranded DNA.
- 14. A chemical compound that is used to make one of the building blocks of DNA and RNA
- 15. the final step of cell division during which the two daughter cells become physically separated.
- 16. a monosaccharide or a disaccharide
- 18. A molecule consisting of a nitrogen-containing base
- 21. the fourth phase of mitosis