Which of the following statements applies/apply to insertion mutations?
1 | Insertion mutations occur when a different nucleotide replaces a nucleotide in the DNA sequence. |
2 | Insertion mutations are more likely to be harmful because they cause a frameshift in the DNA sequence. |
3 | Insertion mutations are more likely to change the amino acid sequence of a protein than substitution mutations. |
1, 2 and 3
Only 1 and 2
Only 2 and 3
Only 1
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