Genetics PASS: Week 6

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Across
  1. 5. Heritable changes in the genetic material that provide the raw material for evolution.
  2. 8. Brings a specific amino acid to the ribosome.
  3. 9. Organisms that are unable to synthesise an essential metabolite.
  4. 12. In the wobble position, inosine would base-pair with ____, uracil or adenine.
  5. 13. Has no effect on phonotype or small effects that can be recognised only by special techniques.
  6. 15. The type of mutations that are lethal in one condition, but viable in the permissive condition.
  7. 16. ____ alleles result in no gene product or totally non-functional gene products.
  8. 18. Part of the ribosome.
  9. 19. Chemical that sits between stacked base pairs.
  10. 21. Complementary to a codon.
  11. 22. 50S and 30S subunits make up complete 70S _____ ribosome.
Down
  1. 1. Both insertions and deletions lead to a _____.
  2. 2. A second mutation that occurs at a different location in the genome.
  3. 3. Amino acid that codes for the start codon.
  4. 4. A 3 nucleotide sequence (triplet) that specifies a certain amino acid
  5. 6. H atoms can move from one position in the purine/pyrimidine ring to another position, called a ____ shift.
  6. 7. The RNA molecule that is translated into protein.
  7. 10. More than one codon can specify the same amino acid.
  8. 11. Seals the break in the phosphodiester bond left by DNA polymerase.
  9. 14. Enzyme involved in light-dependent DNA repair.
  10. 17. Recognises, binds to, and excises damaged DNA.
  11. 20. Produced by a post-transcriptional modification of adenosine.