| 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 |
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| 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... |
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