Genetics and Natural Selection

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Across
  1. 7. first cell of organism formed by sperm and egg joining
  2. 9. point in development where cell gets specific job
  3. 10. DNA has dominant and recessive alleles
  4. 12. shape of DNA
  5. 14. cancer spreading
  6. 18. weaker allele that is often overpowered by dominant
  7. 22. ball of cells
  8. 25. molecular building block of protien
  9. 26. allele that overpowers others
  10. 27. process of making new life
  11. 28. 3 nucleotide sequence that codes for amino acid
  12. 29. trait coded on DNA
  13. 31. molecule that carries all instructions for life
Down
  1. 1. reproduction method with 1 parent
  2. 2. DNA organization method often used to determine species
  3. 3. molecules ATGC that build DNA
  4. 4. characteristic of an individual
  5. 5. individuals with traits most suited to environment survive and reproduce at higher rates
  6. 6. DNA sequence coding for different forms of a trait
  7. 8. section of DNA that codes for a protien
  8. 11. any change in DNA code
  9. 13. differences in genetic code
  10. 15. male gamete containing half DNA
  11. 16. development of new species due to natural selection
  12. 17. trait learned or received from environment
  13. 19. process of traits in population changing over time
  14. 20. alleles that share dominance
  15. 21. molecule coded by a gene
  16. 23. uncontrollable cell division caused by DNA mutation
  17. 24. reproductive method involving 2 parents
  18. 30. female gamete containing half DNA