NCIt definition : A structural change in genomic DNA where the 5' to 3' order of a nucleotide sequence
is completely reversed to the 3' to 5' order relative to its adjacent sequences. This
inversion is termed either pericentric, if it includes the centromere of a chromosome,
or pancentric, if it excludes the centromere. An inversion mutation abnormality may
be heritable or occur somatically.;