Across
- 7. Nucleotides are linked by ____ bonds to form an alternating sugar–phosphate backbone
- 8. 2 different alleles
- 9. the genetic makeup of an organism
- 12. _____ reproduction; union of sperm and egg to create a zygote
- 13. ____ reproduction; a single parent splits to create a clone
- 15. 2 identical alleles
- 17. binds to DNA and wraps it into coiled and compacted loops
- 18. ____square a grid arrangement of possible allele combinations
- 19. _____is the site a gene occupies in a chromosome
Down
- 1. DNA replicates in this stage and proteins(histone) are synthesized
- 2. Special enzymes recognize *incorrectly paired nucleotides* and remove them; known as a _____ pair
- 3. changes in the sequence of bases in DNA
- 4. DNA fragments are joined by DNA_____
- 5. RNA primer is synthesized by ____Primase
- 6. the transmission of genetic information from parent to offspring: predictable patterns
- 7. division of cell cytoplasm to form 2 cells
- 10. the physical appearance of an organism
- 11. who has 46 chromosomes in the somatic cell?
- 14. the science of heredity
- 16. fragments 100- to 2000-nucleotide fragments