Across
- 7. a common type of inherited cancer
- 8. the gene that shows up if heterozygous
- 10. the nitrogen base that pairs to cytosine
- 12. the chemical instructions for your cells
- 15. section of DNA with instructions for a trait
- 16. type of mutation where a letter is left out
- 18. physical feature a gene controls
- 20. the nitrogen base that pairs with adenine
- 23. the 4 letters of the DNA sequence
- 24. type of mutation where letters are flipped
- 25. an individual with a gene but does not the trait
Down
- 1. any change to the DNA
- 2. a trait that will not show unless you get two alleles for it
- 3. a trait controlled by many genes
- 4. pigment in mammals to protect from UV rays
- 5. what determines if a trait is good or bad
- 6. a common type of cancer due to mutations caused by the environment
- 9. the number of chromosomes humans get from parents
- 11. large piece of DNA holding many genes
- 13. lab work that offers the chance to find problem genes you might have
- 14. condition of having an extra chromosome
- 17. example of beneficial mutation
- 19. mutation causing a total lack of pigment production
- 21. the color city birds are changing to have less of
- 22. California birds with a physical and behavior change
- 23. different version of a gene