Unit 3 Genetics Quiz

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Across
  1. 4. A nucleic acid that support protein synthesis and has 4 nitrogen bases (A, C, G, U).
  2. 6. This molecule copies DNA and carries the copy to the ribosomes.
  3. 7. In mitosis, when DNA duplicates and condenses into chromosomes.
  4. 8. In mitosis, when new nuclear membranes form and the cell begins to divide into two.
  5. 10. A change in a gene or a chromosome.
  6. 11. A section of DNA that codes for a specific trait.
  7. 12. A nucleic acid with a double helix and 4 nitrogen bases (A, C, G, T).
Down
  1. 1. In mitosis, when chromosomes line up in the middle of the cell.
  2. 2. A condensed rod of DNA.
  3. 3. A characteristic that an organism can pass on to its offspring through its genes.
  4. 5. In mitosis, when chromosomes are pulled apart to either side of the cell.
  5. 7. A chain of amino acids.
  6. 8. This molecule carries amino acids over to the ribosome during translation.
  7. 9. A molecule carried by tRNA, many linked together make a protein.