He dna sequence reads acgttcatt before a mutation occurs. after the mutation, the dna sequence reads atcgttcatt. which type of mutation occurred? a. substitution b. insertion c. deletion d. point

Answer : The correct answer is -

B.insertion.

Mutation can be described as permanent change in the genetic material of living organisms that is DNA (deoxyribonucleic acid).

Insertion is type of mutation (that primarily occurs during DNA replication) in which one or more nucleotide base are added to DNA sequence.

It results in the alteration of protien (as number of nucleotide sequence in the DNA is changed) or formation of non functional protien.

In the given question, T(thymine) is added/inserted at second position of the original DNA molecule after mutation.

Original DNA- ACGTTCATT

Mutated DNA- ATCGTTCATT

Thus, it depicts insertion mutation.

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b - the respond is innate and varies over time.

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