Abacterium was found to contain a sequence of atcgggatcct in its genome. a few generations later, the sequence was found to be atcatcct. what type of mutation caused this change in the bacteria? duplication insertion inversion translocation nextreset

Option). duplication.

Explanation:

Mutations are permanent changes in DNA, due to change in its nucleotide sequence. A mutation that occurs due to replication or duplication of a portion of genetic material is known as duplication.  

As altered sequence in given bacterium represents duplication of three guanine nucleotides, the type of mutation that caused this sequence change is duplication.

Original sequence: actgggatcct

Altered sequence:  atcatcct

Thus, the correct answer is 'duplication.'

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explanation:

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