biology extra credit

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Across
  1. 4. — Why is gene expression important?
  2. 8. — What is the main function of DNA in a cell?
  3. 9. — What are amino acids to proteins?
  4. 10. — What causes different types of speciation?
  5. 11. — What can errors during DNA replication create?
  6. 12. — What role does mRNA play in protein synthesis?
  7. 13. — Why do traits vary within a population?
  8. 14. — What does crossing over during meiosis increase?
  9. 16. — What determines the order of amino acids in a protein?
  10. 18. — What can mutations lead to between organisms?
Down
  1. 1. — What do Punnett squares predict?
  2. 2. — What evidence supports common ancestry and evolution?
  3. 3. — What do Mendelian and non-Mendelian inheritance describe?
  4. 5. — What are the four nitrogen bases found in DNA?
  5. 6. — What is produced during translation?
  6. 7. — How does the structure of DNA help it store genetic information?
  7. 8. — What process includes directional, stabilizing, and disruptive types?
  8. 11. — What does sexual selection mainly affect?
  9. 15. — What environmental factor can cause mutations?
  10. 17. — Where does transcription occur in the cell?