DNA and cell genetics

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Across
  1. 3. carries amino acids to ribosomes
  2. 8. DNA fragments on the lagging strand
  3. 9. synthesizes RNA primers
  4. 10. insertion or deletion of nucleotides
  5. 12. premature stop codon
  6. 16. RNA
  7. 19. one original, one new
Down
  1. 1. copying DNA into RNA
  2. 2. synthesized in fragments
  3. 4. after transcription
  4. 5. unzips DNA double helix
  5. 6. DNA
  6. 7. synthesized continuously during replication
  7. 11. builds new DNA
  8. 13. DNA and RNA building blocks
  9. 14. stores DNA
  10. 15. has a recessive allele
  11. 17. not a dominant allele
  12. 18. seals gaps
  13. 20. sequence of three nucleotides coding for an amino acid