Mutation: A change in the nucleotide sequence of genetic material,
whether by substitution, duplication, insertion, deletion or inversion.
- Chromosomal mutations: rearrangements of segments
into the same chromosome or interchange between more than one.
- Gene mutations (Point mutations): individual changes in the
sequence of nucleotides that may cause the appearance of new
alleles of a gene.
- Insertion or addition
- Deletion or removal