Genetics and Evolution

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Across
  1. 4. outward expression
  2. 7. can be over-ruled
  3. 8. increases likelihood of an individual's
  4. 11. change over time
  5. 12. different allele
  6. 14. making a copy
  7. 17. features or behaviours of an organism
  8. 18. half the number chromosomes
  9. 19. an organism's surroundings
  10. 21. carry information from parents to offspring
Down
  1. 1. bundle of DNA, humans have 23 pairs
  2. 2. examples include sperm and eggs
  3. 3. normal number of chromosomes
  4. 5. different forms of the same thing
  5. 6. internal information
  6. 9. two traits expressed at the same time
  7. 10. more powerful
  8. 13. controller of the cell
  9. 15. process to produce sperms and eggs
  10. 16. used to describe for example someone with blue eyes
  11. 20. cell division