Genetics and Evolution

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Across
  1. 2. Structures in species that are built similar, but have different functions.
  2. 4. When a species blends into it's environment.
  3. 8. If the alleles are different.
  4. 12. We have 23 pairs of these in our cell's nucleus.
  5. 14. Structures that have lost their original function.
  6. 15. This is how a trait appears.
Down
  1. 1. If the alleles are the same.
  2. 3. This man wrote the theory of evolution.
  3. 5. How many mass extinction events have happened in this era.
  4. 6. The study of how traits are passed.
  5. 7. This man studied pea plants and genetics.
  6. 9. This is represented with a capital letter.
  7. 10. This is represented with a lowercase letter.
  8. 11. Evidence of past lives.
  9. 13. When one species looks like another species.
  10. 15. This is a model used to predict the traits of offspring.