Across
- 2. complementary three base sequence on tRNA
- 4. process of making RNA from DNA in the nucleus
- 8. single stranded nucleic acid containing ribose and uracil
- 9. loss of a piece of a chromosome
- 10. long chains of amino acids that form proteins
- 12. piece of chromosome attaches to a non homologous chromosome
- 16. different version of a gene
- 17. rule stating adenine pairs with thymine and guanine pairs with cytosine
- 18. study of heredity
- 19. process of building a protein from mRNA in the cytoplasm
- 20. zygote with an extra chromosome
- 21. changes in the structure or number of chromosomes
- 23. double stranded molecule that carries genetic instructions
- 24. three base sequence on mRNA
- 25. building blocks of DNA made of sugar phosphate and base
- 26. zygote missing one chromosome
- 29. change in one nucleotide base
- 31. makes up the structure of ribosomes
- 32. brings amino acids to ribosomes during protein synthesis
- 33. chemical or physical agent that causes mutations
Down
- 1. scientist who used x ray diffraction to study DNA structure
- 3. disorder caused by a point mutation affecting red blood cells
- 5. piece of chromosome flips in reverse direction
- 6. change in a single gene
- 7. failure of chromosomes to separate during meiosis
- 9. repeated gene sequence resulting in extra copy
- 11. system of codons and anticodons carrying genetic information
- 13. scientists who discovered the double helix structure of DNA
- 14. mutation caused by insertion or deletion shifting the reading frame
- 15. DNA to RNA to protein flow of genetic information
- 22. carries protein instructions from nucleus to cytoplasm
- 23. process of copying DNA before cell division
- 27. scientist who discovered base pairing rules in DNA
- 28. changes in the nucleotide sequence of DNA
- 30. unit of heredity