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Variation, Evolution

TermDefinition
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
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