Genetics Key Terms

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Across
  1. 1. A cell that contains only one copy of each chromosome e.g. gametes.
  2. 3. Single stranded polynucleotide that carries amino acids to the ribosome.
  3. 7. Double stranded polynucleotide.
  4. 9. Single stranded polynucleotide made during transcription.
  5. 10. The first step of protein synthesis. When DNA is copied to mRNA.
  6. 11. Base found instead of thymine in RNA molecules. Binds to Adenine.
  7. 12. A sequence of 3 bases in a gene that codes for an amino acid.
  8. 14. A cell that contains two copies of each chromosome.
  9. 15. A long, thread-like structure that carries genetic information in the form of genes.
  10. 16. A section of DNA that codes for a characteristic.
Down
  1. 2. Part of tRNA molecule that is complementary to the codon.
  2. 4. The second step of protein synthesis. When amino acids are put in order at the ribosome.
  3. 5. The form of cell division that produces genetically different gametes.
  4. 6. A _______ pair of chromosomes that have carry the same genes in the same positions.
  5. 8. The monomer of a protein.
  6. 13. Site of protein synthesis