Across
- 5. Two different alleles (letters)
- 6. the genetic code for living things,double-helix shape.
- 9. The allele pair a person has (shown by two letters)
- 11. Something passed down from parent to offspring.
- 12. An error in DNA that affects the organism.
- 14. Stronger allele, shown by a capital letter
- 16. A section of DNA that codes for a trait.
- 17. Reproduction that requires two parents.
- 18. When a mutation is helpful it can be called _________.
Down
- 1. different versions of a gene. (letters)
- 2. The proteins that combine to form DNA
- 3. Two of the same alleles (letters) either capital or lowercase
- 4. Adding an extra letter into the genetic code
- 7. The physical trait an organism shows on the outside
- 8. Weaker allele, shown by a lowercase letter
- 10. A structure that hold the DNA in the nucleus
- 13. A characteristic that an organism has.
- 15. Reproduction that requires one parent.