Across
- 4. The selection of the most fit traits to an environment which leads to the survival of individuals expressing that trait
- 6. The change in nucleotide sequence caused by errors during DNA replication or DNA repair
- 8. When both alleles are independently expressed
- 12. The physical characteristic of a gene
- 13. The genetic change in a population from generation to generation
- 15. The building blocks of DNA, ATCG
- 16. The gene that codes for a physical characteristic
Down
- 1. When the expressed alleles are mixed
- 2. The basic unit of life that contains DNA
- 3. The entire set of DNA which constitutes a living organism
- 5. Different version of a gene
- 7. The organelle which houses the genetic material
- 9. The allele that only needs one copy to be expressed
- 10. Condensed DNA, most human cells have 46 of these
- 11. The allele that needs both copies to be expressed
- 14. A specific segment of DNA that contain the protein coding region