Across
- 5. mutations are alterations in the gene after it has come in contact with mutagens and environmental causes
- 7. speciation by geographic isolation
- 8. the permanent alteration of the nucleotide sequence of the genome of an organism
- 9. evolution mover
Down
- 1. process of natural selection
- 2. speciation in which a new species is formed from an isolated peripheral population
- 3. the primary model of allopatric speciation
- 4. mutations occur with non-zero probability even given a healthy, uncontaminated cell
- 6. mutation occurs when changing...