Genetics

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Across
  1. 3. The number of bases on DNA, which together from the 'genetic code'.
  2. 4. ______ cell anaemia, a genetic disease.
  3. 8. Deoxyribonucleic acid.
  4. 9. Proteins are made of twenty amino _____.
  5. 10. In the name tRNA, t stands for _________.
  6. 13. When certain traits are passed from parents to children.
  7. 15. The part of a cell where DNA is found.
  8. 16. Chemicals made by mRNA and tRNA in ribosomes.
  9. 17. In the name mRNA, m stands for _________.
  10. 19. The unit of heredity.
Down
  1. 1. One of a pair of genes which always shows it characteristics, no matter what the other gene in the pair is.
  2. 2. One of a pair of genes which only shows its characteristics when NOT paired with a dominant gene.
  3. 5. The description of the physical characteristics of an organism.
  4. 6. A particular characteristic controlled by alleles.
  5. 7. You have 23 pairs of these.
  6. 11. The part of the cell where proteins are made.
  7. 12. The two parts of protein formation are called transcription and ___________.
  8. 14. The part of a gene which controls a trait.
  9. 17. Gregor ______, a scientist known as the father of genetics.
  10. 18. The description of unique genetic makeup.