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A mutation changes the DNA sequence AAGCCTGGCAAT to the new sequence AAGCCTGCGCAAT. What kind of mutation has occurred? A. deletion B. insertion C. duplication D. substitution

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A mutation that changes the DNA sequence AAGCCTGGCAAT to the new sequence AAGCCTGCGCAAT is B. insertion. There are different types of mutations that can change DNA sequences. Insertions are mutations when one or more nucleotides are inserted. The original sequence has 12 nucleotides. The new sequence has 13 nucleotides because 1 nucleotide is inserted in between the 7th and the 8th nucleotide. Since the nucleotide is inserted, the mutation that occurred is insertion.
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Answer:

A mutation that changes the DNA sequence AAGCCTGGCAAT to the new sequence AAGCCTGCGCAAT is B. insertion. There are different types of mutations that can change DNA sequences. Insertions are mutations when one or more nucleotides are inserted. The original sequence has 12 nucleotides. The new sequence has 13 nucleotides because 1 nucleotide is inserted in between the 7th and the 8th nucleotide. Since the nucleotide is inserted, the mutation that occurred is insertion.

Explanation:

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