Across
- 4. small pieces cut out of Pre mRNA molecules
- 7. individuals with the best traits survive
- 9. double helix
- 11. made continuously of one primer(2 words)
- 15. species compete to survive
- 17. organisms that adapt to survive and reproduce(2 words)
- 21. father of evolution(2 words)
- 23. removed and replaced with DNA(2 words)
Down
- 1. untwists the double helix and exposes complementary strands
- 2. base set
- 3. heritable changes located in genes
- 5. Darwin observed these birds
- 6. unique combination of inherited traits
- 8. assembled in segments made of many primers(2 words)
- 9. reads along each naked single strand adding the nucleotide(2 words)
- 10. decoding of mRNA into protein
- 12. species that produces more offspring to survive
- 13. small pieces spliced back from from the final mRNA
- 14. mutation involving changes in one or few nucleotides(2 words)
- 16. chemicals in the air causing mutation
- 18. small chain of amino acid
- 19. chordate with a backbone
- 20. process of change over time
- 22. joins the newly synthesized DNA
- 23. nucleic acid that consists of a long chain of nucleotides