types of mutations

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8 Terms

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Point mutation

a change in one or two nucleotides in a gene

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Substitution

when a nucleotide is replaced by another nucleotide

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Silent Mutation

A substitution which does not end up coding for a different amino acid

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Nonsense Mutation

a mutations that codes for a STOP codon prematurely

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Missense Mutation

When a substitution leads to ONE amino acid change

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Frameshift Mutation

A mutation that changes the reading frame of the mRNA changing all amino acids after the mutation

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Insertion

When an extra nucleotide is added to a sequence of nucleotides

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Deletion

When a nucleotide is removed from a sequence of nucleotides