Genetics Story

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Across
  1. 2. enzyme that aids in DNA or RNA synthesis
  2. 5. carries hereditary information
  3. 6. type of mutation that changes a single base pair
  4. 8. a nitrogenous base that has two rings
  5. 9. sequences of mRNA that leave the nucleus
  6. 15. a nitrogenous base only found in RNA
  7. 16. alternate form of a gene
  8. 17. this base pairs with adenine in DNA
  9. 18. type of mutation that results in a deletion or insertion of a base pair
  10. 19. chain of amino acids
  11. 20. nitrogenous bases that consist of one ring
Down
  1. 1. humans have 23 pairs of these
  2. 3. cleaves bonds with a nucleic acid
  3. 4. type of replication that DNA goes through with one parental strand and one daughter strand
  4. 7. the start codon
  5. 10. enzymes that degrade nucleic acids
  6. 11. a mutation in which the gene no longer functions
  7. 12. type of mutation that shows no change in phenotype
  8. 13. when genetic information is copied from DNA to form mRNA
  9. 14. includes a pentose sugar, phosphate group, and nitrogenous base
  10. 16. the configuration of the two strands in a DNA double helix