Question

Review the chromosomal mutation below.
Original DNA: CTGCAA
Mutated DNA: CGCAA
This is an example of
Invertion
Insertion
Deletion
Substitution

Answer 1

The answer is C. Deletion

Answer 2

The abnormal change in the DNA segment which leads to the formation of the abnormal protein is called a mutation.

There are two types of mutation. These mutations are as follows:-

• Point shift mutation
• Frameshift mutation

There cause of the mutation could be anything. It could be physical, chemical, and biological. For example Tabacco.

As per the data given in the question, Only one base is missing from the mutated DNA which states the deletion type of mutation.

Hence, deletion is correct

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