Biology

B.In the context of genetics, a mutation is a change in the DNA sequence.

This change can occur in various ways, such as a substitution of one base for another, an insertion of extra bases, or a deletion of bases. Mutations can occur naturally during DNA replication or due to environmental factors, and they can have different effects, ranging from no noticeable impact to causing diseases or influencing traits in an organism.

To summarize:

A mutation is a change in the DNA sequence.