Answer: B. A change in the nucleotide sequence.
Mutation can be described as permanent change in the genetic material of living organisms (that is DNA, deoxyribonucleic acid).In other words, it depicts change in the sequence of nucleotide within gene (a segment of DNA that codes for particular protein). It can be caused due to error in the replication process or by the exposure to some chemical, physical or biological agents (that are known as mutagens, such as UV radiation).Mutation can result in altered protein, if change is within the coding region. There are primarily three types of mutation, which are substitution, insertion, and deletion mutation. This, option B) is the right answer.
The statements that correctly describes mutation are as follows:
Mutation is the process by which the nucleotide sequence of a DNA molecule of an organism is altered.
Mutation is used to refer to any change to the genetic material of an organism's genome.
Mutation can be of different types depending on how it occurs in the affected organism.
Therefore, the statements that correctly describes mutation are as follows:
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