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