Types of DNA mutations

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11 Terms

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Silent

  • changes a base but codes for the same amino acid (similar to missense)

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Missense

changes as base but leads to a different amino acid (similar to silent)

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Nonsense

changes a base, resulting in a premature stop codon

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Frameshift

insertions or deletions shift the reading frame and scramble the entire protein sequence from then on

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Substitution (Point mutation)

one base is swapped for another (A to G)

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Insertion

adding one or more base pairs

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Deletion

removing one or more base pairs

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Duplication

Repeating a segment of DNA

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Inversion

A DNA segment is flipped and reversed (A-B-C-D → A-D-C-B)

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Translocation

A segment moves to a new, non-homologous chromasome

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How many mutations are there?

10