Question

the DNA sequence reads ACGTTCATT before a mutation occurs. After the mutation, the DNA sequence reads ATCGTTCATT. Which type of mutation occurred? substitution insertion deletion point

Answer 1

The correct answer is insertion.  

An insertion refers to a mutation in genetics, in which the addition of one or more nucleotide base pairs takes place into a sequence of DNA. Insertions can be anywhere in size from one base pair inaccurately into a sequence of DNA to a section of one chromosome inserted into another.  

In the given DNA sequence, it can be clearly seen that after mutation thymine (T) gets inserted into the sequence.  

Answer 2

Answer:

An insertion type of mutation occurred.

Explanation:

An insertion type of mutation occurred.  Insertions can be anywhere in size from one base pair inaccurately into a sequence of DNA to a section of one chromosome inserted into another.

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