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Variation, Evolution
Term | Definition |
---|---|
Variation | The difference between living things in a population caused by genes and environment |
Mutation | A change in the sequence of a DNA molecule |
Point Mutations | A change in a single base of the DNA sequence |
Insertions and Deletions | Insertions add one or more extra nucleotides into the DNA Deletions remove one or more nucleotides from the DNA |
Mutagens | An agent that causes mutations |
Carcinogen | Is any factor that results in a DNA mutation that causes cancer |
Evolution | The change in the genetic characteristics in a population over a long period of time |
Homologous Structures | Structures that display a similar basic pattern but have a different function |