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21.5: Key Terms

Last updated

Oct 11, 2024
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- 21.4: Do all mutations affect health and development?
- 21.6: Chapter Summary

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induced mutation: mutation that results from exposure to chemicals or environmental agents

mutation: variation in the nucleotide sequence of a genome

point mutation: mutation that affects a single base

silent mutation: mutation that is not expressed

spontaneous mutation: mutation that takes place in the cells as a result of chemical reactions taking place naturally without exposure to any external agent

transition substitution: when a purine is replaced with a purine or a pyrimidine is replaced with another pyrimidine

transversion substitution: when a purine is replaced by a pyrimidine or a pyrimidine is replaced by a purine

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