The simplest mutations include transitions, transversions, and ______ or deletions of a single nucleotide.
Understand the Problem
The question is asking about types of simple mutations in genetics, specifically focusing on transitions, transversions, and a third type related to nucleotide changes. The high-level approach is to identify the appropriate term that completes the statement.
Answer
insertions or deletions
The simplest mutations include transitions, transversions, and insertions or deletions of a single nucleotide.
Answer for screen readers
The simplest mutations include transitions, transversions, and insertions or deletions of a single nucleotide.
More Information
Point mutations can result from substitutions, insertions, or deletions of nucleotides in the DNA sequence. While transitions and transversions are specific types of substitutions, insertions and deletions are also common forms of point mutations.
Tips
A common mistake is confusing the types of substitutions—transitions and transversions—with other forms of point mutations such as insertions or deletions.
Sources
- Mutation, Repair and Recombination - Genomes - NCBI Bookshelf - ncbi.nlm.nih.gov
- Point mutation - Wikipedia - en.wikipedia.org
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