Changes a single nucleotide but, due to code redundancy, leaves the encoded amino acid unchanged Point mutation in a degenerate position has no effect on the protein sequence.

Changes a single nucleotide but, due to code redundancy, leaves the encoded amino acid unchanged

Changes a single nucleotide and creates a premature stop codon, truncating the protein

Inserts a single nucleotide and shifts the reading frame for all downstream codons

Changes a single nucleotide and substitutes one amino acid for another in the protein

Mutations

AP Biology· difficulty 2/5

A silent mutation

A
$Changes a single nucleotide but, due to code redundancy, leaves the encoded amino acid unchanged$
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B
$Changes a single nucleotide and creates a premature stop codon, truncating the protein$
C
$Inserts a single nucleotide and shifts the reading frame for all downstream codons$
D
$Changes a single nucleotide and substitutes one amino acid for another in the protein$

Explanation

Point mutation in a degenerate position has no effect on the protein sequence.

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